When someone doubts something you said, using ISTG is a way to make a solemn oath that most people respect and are more likely to believe. It is a commonly used slang expression used to emphasize that someone is telling the truth, or to add emphasis to a statement. ATP meaning: answer the phone. Here's what this versatile slang term means and how you can use it in your messages and social media posts. The abbreviation “ISTG” is a shorthand. ISTFG, if you don’t stop playing your music so loudly, I’m going to lose it. Pinky promise. What does GM mean in text from a guy?What does df mean in texting? In the realm of texting and digital messaging, “df” usually stands for “da fuq”, a slang and casual form of saying “the fuck”. OFC meaning: of course. It’s often used as an exclamation or a way to emphasize something and can be written in lower or upper case letters. I swear to God. ISTG Meaning= Honesty or Certainty2. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. Definition of ISTG in Slang/Internet Slang. It could be used to define the frustration or annoyance you might have towards something or somebody. U Jelly has become a very popular expression, and because of its viral spreading nature, it has achieved meme status. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. Here's what "ISTG" means and how you can use it in your next text exchange. It's not typically used in a religious context. Avoid using this abbreviation in business or professional settings because it is so casual. " People use it in various places on the internet to tell someone to stop talking or as a gut reaction to something offensive or mean-spirited. In contrast to standard text or audio messaging apps, Snapchat offers the unique ability to share fleeting live video messages that vanish as soon as they are. " “ISTG” meaning over text message. ISTFG means “I Swear To Fing God,” a phrase used to emphasize sincerity or seriousness when making a statement. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. ILYSM means "I Love You So Much. What Does Istg Mean? The acronym ISTG stands for “I swear to God. The term comes from “shipping” within fandom culture. “ISTG” stands for “I swear to God,” and it’s commonly used in texting to express the seriousness of a situation or to assure someone that you’re not joking when. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. 查看翻译. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. One of the known acronyms is “ISTG” or “istg”. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. HMU meaning: hit me up. It can also be an expression of surprise or. More violent then just I Swear To God Learn what ISTG means in this quick and easy guide! Find out what the abbreviation stands for and how to use it in real life with this simple explanation. Guarantee. ” This abbreviation is commonly used in informal conversations on various digital. It’s a widely used acronym in text messaging and online chatting on social networking sites. Going deeper into its meaning, ISTG sounds quite similar to OMG ‘Oh My God!’. One such popular slang on platforms like Snapchat is ‘ISTG’. The phrase was later. ”. The texting term ISTG, which means "I Swear To God," tells people that you really do mean what you're saying. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. The phrase “so what” is often used to express indifference or dismissiveness about the topic at hand. Meaning. Expand Your Lexicon: Discover 5+ Similar Words for ISTFG When it comes to texting, understanding similar. Meaning. ” Origin of ISTG. Confused about slang like cap, HB, ATP, and more? We defined some popular TikTok acronyms for you. I Swear to God. This phrase can be used to swear truthfully without having to use a more serious swear word, such as the word "God". I just won the jackpot on the lottery ticket I bought yesterday, ISTFG! 5. Jamie Grill / Getty. Chronic Osteomyelitis Pathology Degree Embed Share an image of ISTFG » Click to view: Hearing impaired tip:. ISTG is an internet slang initialism that conveys earnestness, annoyance, or surprise. ”. Today, I'll walk you through what ISTG means in text. ISTFG. Start the day smarter. This is also very similar to. It is commonly. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. "I swear to. It is an acronym used to emphasize a belief in or commitment to the truth of a statement. Looking for online definition of ISTG or what ISTG stands for? ISTG is listed in the World's most authoritative dictionary of abbreviations and acronyms ISTG - What does ISTG stand for?Definition of the term. This initialism should be avoided in professional situations or in conversing with someone who is religious. Well, fret not – I’m here to help unravel the mystery for you. What Does ISTG Mean? ISTG is an acronym that stands for “I Swear to God”. FOMO meaning: the fear of missing out. I swear to fucking god. Let’s talk about the other meanings of this common abbreviation and find out what it means for different people in different contexts. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. Get all the news you need in your inbox each morning. 2. 1 definitions of ISTG. ” Origin of ISTG. IMO meaning: in my opinion. ISTG is an abbreviation commonly used in text messaging and online communication, particularly among younger generations. ISTG Unveiled: Introduction to the Slang. Essentially, ISTG is a shortcut way of saying "I. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. The media could not be loaded, either because the server or network failed or because the format is not supported. Social media platforms: Snapchat, Instagram, Twitter, TikTok, and more. This expression is used to emphasize the truthfulness or seriousness of a statement. ISTG Meaning= ThreatUse Cases & Examples. While it may seem like a phrase that you would use in casual conversation, it can be so much more than that. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. It can be used to convey sincerity, make promises, express annoyance, and more. "I swear to. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. ”. ” Kids often use this to express frustration or exasperation. ISTG can be used in various contexts and can have different implications depending on the conversation. The ISTG definition includes a short acronym for a phrase that reads as ‘I Swear To God’. This initialism should be avoided in professional situations or in conversing with someone who is religious. It can be a powerful tool for self-motivation and encouragement. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. ISTG Meaning. "Meaning; ISTG: I Swear to God: ISTG: Immigrant Ships Transcribers Guild: ISTG: Information Storage Technology Group (University of Twente; Netherlands) ISTG: Inter-Site Topology Generator: ISTG: Implicit State Transition Graph: ISTG: Integrated Systems Tech Group (Tampa, FL) ISTG: Innovative Science and Technology Group (est. ISTG stands for “I swear to God. Alternatively, you might say ISTG to show exasperation or frustration at something someone is telling you. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. ISTG has multiple definitions that can be used in various settings. suggest new definition. ISTG is an acronym that stands for ‘I Swear To God. It is typically used to show appreciation of an act of kindness by a loved one. Pushin P is a popular phrase in the Bay Area and Texas that was popularized by Atlanta rapper Gunna. IYKYK meaning: if you know, you know. ISTG can be used to express extreme seriousness, anger, or surprise, and is usually used outside of serious religious contexts. ISTG is an acronym used for “I Swear To God. Usually, students or the young generation use this acronym. What does ISTFG mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: ISTFG. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. The acronym ISTG is commonly used in text. In simple terms, “istg” stands for “I swear to God,” a popular expression used to emphasize the truthfulness or intensity of a statement. It represents an empathetic or mildly shocked response to unexpected news or events. It's used express emotional sincerity or to seem intimidating. ISTG Meaning= Threat3. ISTG stands for "I Swear to God. Complaint Of Patient Data C. It is commonly used as an exclamation or interjection. Use Cases & Examples. This phrase is often used to express frustration or exasperation with a situation or to emphasize the sincerity of a statement. ISTG is an acronym that is short for “I swear to God”. ISTG Meaning= Threat Use Cases & Examples. 2. new search. ISTG is an acronym that stands for “I Swear To God”. ISTG is simply an acronym that means I swear to God. ISTG is simply an acronym that means I swear to God. ISTG stands for “I swear to God” in texts and on social media apps. What does Istg mean in text message . -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. ISTG Meaning= Expression of Disbelief4. Even though the phrase includes “God,” its meaning and uses aren’t considered religious. What Does ISTG Mean In Texting? ISTG is an acronym used for “I Swear To God. ISTG and OMG can also be used interchangeably often. Some of these words and acronyms are used on other video games and social media platforms too. ETA meaning: estimated time of arrival. " The abbreviation ILYSM is used with the meaning "I Love You So Much" as an expression of affection. In conclusion, “ISTG” is an acronym that stands for “I swear to God. ILYSM can be used to express profound affection. However, as with many other abbreviations meaning "I love you," it should not. It’s a direct and sometimes blunt way of communicating that the information just shared doesn’t impress, affect, or matter to the person asking “so what. It can be used to express emotions, surprise, or sudden kind of feelings. For example, they might say “ISTG this homework sucks. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. It may sound like a new term to some, but this one is very familiar to social media users. What does STG mean?U Jelly is often used to goad someone online or in-person because you possess an article that they do not have, or because you have attained some kind of gamer achievement or minor online fame. ’. ETA meaning: estimated time of arrival. The “baby” part of the phrase isn’t a literal reference to a child, and. ISTG is short for "I swear to God. ”. Usage: “Oh nice, you finally finished it! Welcome to the club B)” What does BB mean?What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. ” Definition: Istfg is an acronym for “I swear to f Up. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. By using “ISTG,” individuals can emphasize the sincerity or truthfulness of their statements, especially when sharing surprising facts or. It is a stronger version of the phrase “I swear”. It is often used in informal conversations, especially when expressing frustration or disbelief. ”. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. 4. ONB is an abbreviation commonly used in texting, which stands for “Oh No Baby”. What does B) mean? Back when emojis weren’t a thing, ‘emoticons’ were used to add more emotions to the text. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on social media. It’s an acronym that people use to express the seriousness of a situation or to emphasize that they are not joking. As in, I swear that actually happened. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. What does istg mean in text. Here’s our round-up of the latest Roblox slang. This can be seen in phrases like: “ISTG, I’m always here for you” or “ISTG, I’ll never forget what you did for me”. It’s similar to the term ‘ONG. For example, three sample text messages using the abbreviation ISTFG could be: 1. What Does ISTG Mean In Texting? Snapchat represents a real-time multimedia communication platform that takes a step beyond traditional messaging applications. If you see someone using ISTG when texting, they’re probably emphasizing how serious they are about something. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. On the internet, there’s a lot of jargon and abbreviations that often confuse even the most seasoned internet user. ISTFG. This abbreviation is typically used to express surprise, confusion, disbelief, or. ISTG stands for I Swear To God. Usually, students or the young generation use this acronym. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. A. Origin of ISTG. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages, social media posts, and online forums. ABC means asking another player (or telling another player you’re ready) to make an offer, trade or perform a task in Roblox, such as roleplaying in a game. Read Also: What does CFS mean on Instagram? Common Uses for ISTG . ”. ISTG stands for: I Swear To God. ISTFG means “I Swear To Fing God” and is typically used in informal texting to express frustration or disbelief. " It is an internet acronym used in online chat to express frustration, surprise, or vehement assertion. ISTFG, I can’t believe she actually said that to me. ”. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. TikTok lingo is hard to keep up with. One of the main uses of ISTG is in text messages or chats, either between friends or in a. This is a common acronym that is used online, typically in text-based communication. It’s also like STG. This phrase should only be used in casual conversation. IYKYK meaning: if you know, you know. In summary, ISTG is an acronym widely used in informal online communication. Abbreviation of I Swear To Mother Fucking God. ”. Specifically, as internet usage is increasing daily,. What Does ISTG Mean? Introduction. In texting lingo, “istg” simply stands for “I Swear To God”. This phrase is often used on social media while making public posts or in private chats. ”. This is a group of teachers that are more than friends. ” It is often used to emphasise the truthfulness of a statement or convey the seriousness of a situation. What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. Usually used after saying something ‘cool’. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. ISTJ types like to have clear goals and realistic deadlines, and to work with factual data to solve problems and monitor progress. 2006)Texting with friends is the best way to use this term. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. Istfg Meaning Is: Istfg stands for “I Swear to Fucking God. ISTG Meaning. The expression “I swear to God” is used for centuries and originates directly from the Old English word “swear” which means swearing. Person1: I'm so exhausted. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. It can often. ISTG. ” How to understand Texting Abbreviations!! LOL and LMAO, SMH, FFS… and all the other ISTG Meaning A short video summarzing the most common. OFC meaning: of course. Clear Of Patient Diagnosis B. More violent then just I Swear To GodISTG is an acronym that is short for “I swear to God”. You will find information about the origin and other possible meanings in all types of information on this acronym, including its. ” It is commonly used in text messaging and online chat to emphasize the truth or sincerity of a statement. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness. Here’s what this multifaceted slang term means and how you may. ISTG is used to express frustration or annoyance at something or to show emphasis on a statement. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious context. Sub the Gamer security threat group. Every TikTok user's FYP. This acronym often highlights the sincerity, seriousness, or exasperation of the person using it. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. Testify. Also, Check What Does SNM Mean In Texting? What Does ISTG Mean and How Is It Used in Real Context? The use of shortened phrases is a popular way to communicate in text messages and online conversations. When someone uses ISTG, they are essentially emphasizing. When used in text conversations, ISTG retains its original meaning of “I swear to God. Promise. ISTG means I swear to God. Overall, the acronym STG stands for “swear to God. Whenever a TikTok user opens their app, they are directed to their For You Page, which is a stream of videos that TikTok thinks that user will like. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. This is only for close friends. ”. You might learn your child is using this slang term by chance when a text pops up on the phone screen. STFU is an acronym that means "shut the fuck up. Page ContentsWhat Is ISTG Meaning1. ISTG=Make a PromiseWhat Is ISTG Meaning in SlangIstg Slang Usage (Examples and Use Cases)ISTG Meaning on TikTokISTG Meaning SnapchatFAQs on ISTG Meaning1. Do you know what ISTG means in a text message? Watch this video to find out when to use ISTG in a text message and what it means!What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. You can use it to show your deep frustration, attest to the truth of something, or underline your beliefs. This. What does ISTG mean in the text? Ans. ”. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. TLDR meaning: too long; didn't read. ISTG Meaning. Use Cases & Examples. B) used to be the symbol of a person wearing sunglasses with a smile on his face. What does ISTG mean? ISTG means “I Swear To God”. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. What does LFG ð mean? LFG as “let’s freaking go” has since become widespread in texts among friends as a way to excite or “hype up” one another about a particular event or situation. Having a parental control app on your child’s phone will give you. Like, "ISTG, if I get one more. ”. “I swear to God” is a common phrase that people use to show that they are telling the truth or to express their sincerity. Similar to “I Swear To Fucking God” istfg, in that it is an escalation of the original term “I Swear To God” istg. ISTFG. By swearing to God, you make a sacred oath that most people respect more and therefore, are more. 1 definitions of ISTG. " ISTG is used to add emphasis to a statement (usually a promise, threat, excuse or apology), or as an interjection which expresses surprise, skepticism or exasperation (similar to OMG ("Oh My God!") ). Definition of ISTG in Slang/Internet Slang. "I swear to. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages,. ”. Annoyance and Assurance Another ISTG How to Use ISTG One of the hottest internet acronyms among today's teenagers is ISTG. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. Start the day smarter. GTFO can be used to express disbelief or displeasure. Capitalization The slang term and abbreviation “ISTG” is typically spelled in ALL CAPS or all lowercase letters. Throughout the years, a variety of terms have arisen which make it easier to communicate online. . It’s used to convey a deep sense of seriousness about a situation or to emphasize a point being made. Swear to fucking god. This expression is most likely something you've heard in ordinary conversation. '. This phrase is typically employed to express surprise, disbelief or concern over a given situation. Today, I'll walk you through what ISTG means in text and other text. This is also very similar to. This initialism should be avoided in professional situations or in conversing with someone who is religious. ABC – This doesn’t stand for anything. This phrase has a couple of variants, S2G and ISTG, and is frequently used in texting or on social media. It’s also like STG. " ISTG is used to add emphasis to a statement (usually a promise, threat,. I’m beyond shocked. Key Takeaways: ‘ISTG’ stands for “I Swear To God” and is commonly used in text messages and online chat. I Swear to God. It stands for “I swear to God. STG means different things to different people but its most common meaning is ‘Swear To God’. Chronic Obstructive Pulmonary Disease D. How Is ISTG Used? Use Cases & Examples. ISTG. It comes from the courtroom oath that traditionally said, “i swear by almighty god that the evidence i shall give shall be the truth, the whole truth, and nothing but the truth. ISTG is a slang abbreviation used in online messaging and texting that means 'I swear to God. ISTG stands for “I swear to God” and is often used on Snapchat to emphasize a point or express strong emotion. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. It is commonly employed in informal chats, videos, and posts to show seriousness and truthfulness. STG: You can swear to god when you are frustrated or in exacerbation. STFG stands for Super Teacher Friends Group. Gunna explained that the ‘P’ stands for ‘player,’ although it can also stand for. Since this is a very casual acronym, avoid using it in. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. But while the slang term ISTG is harmless, other teenage slang terms could indicate that your teen is talking about risky behaviors or communicating with potentially dangerous people. It is a reference to swearing or commitment to God that is not something to take lightly as it is a risk that the person who is saying it could be punished in the event of lying. Correct: ISTG Correct: istg Incorrect: iSTG Usage Use of the abbreviation can be found in the following places. ISTG is often used in informal conversations, texting, and on social media platforms. In summary, ISTG is an acronym widely used in informal online communication. It can also be used as an expression of sincerity, such as when a user is making a promise or expressing their. OTP meaning: one true pairing (a couple that fans prefer to all other. The ISTG acronym is commonly used in response to a person who doubts something that you said. "I swear to God" isn't just texting slang – it's used in everyday conversations to emphasize the truth at hand. This initialism should be avoided in professional situations or in conversing with someone who is religious. It can be used to express emotions, surprise, or sudden kind of feelings. ISTG Meaning What Does “ISTG” Stand For? If you’ve ever seen “ISTG” in a text message or on social media, you might be wondering what it means. Specifically, as internet usage is increasing daily, people. The term is primarily used to emphasize a point you’re making and can reiterate anger or annoyance. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on. The origin of ‘ISTG’ can be traced back to the phrase “I swear to God,” which. For example, if someone decides to message you with insulting comments about your hair, then you might reply with "STFU. I swear to f**king god (ISTFG) is an abbreviation used to express exasperation, disbelief, or agreement. The Meaning of ISTG in Text. Simply put,. I swear to fucking god. You’ll find it all over the internet, from social media platforms like twitter and instagram to direct messages between friends. This is a casual phrase that many people use both online and in real life (imagine someone exclaiming “I swear to God!” when they’re frustrated or emphasizing a point). showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. A very dramatic phrase to be used only in exceptional circumstances. LFG meaning: let's freaking go. It is used to express frustration, anger, or disbelief. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. It can be written in both lowercase “istg” and capital “ISTG” letters. They prefer to work in traditional organisational environments, with people who take their. It is an expression used to emphasize the truthfulness or sincerity of a statement. What does OTP mean in texting? “OTP” means “one true pair/pairing,” according to Merriam-Webster. So, the next time you see someone using “istg” in a message or post, you’ll know exactly what they mean. FYP means For You Page. This phrase is used to emphasize the truth of a statement or assertion. ISTFG. In a different context, “sw” can also mean “someone who. "I swear to. It could be used to show how excited they are or to express. This should not be used in any formal setting, no matter how informal it may seem, via social media or text. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious. It is commonly used in text messaging to express the seriousness of a situation or to assure that a statement is not a joke. TLDR meaning: too long; didn't read. For example: What does ISTG mean? ISTG is an acronym that means I swear to God. ISTG is commonly used in text messages and other social media conversations as a way to emphasize the truth or sincerity of a statement. Prison gang. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. new search. The phrase originated as a method for people to express a greater level of certainty about a statement they’re making in a conversation. 3. ISTG is an acronym used in texting, which stands for “I swear to God. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. It can be used as an exclamation, where users are expressing disbelief or shock. There needs to be a TikTok user manual that includes a glossary because new abbreviations and slang words are constantly being churned out and I, a millennial, cannot keep up. . The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. Get all the news you need in your inbox each morning. – What does istg Mean in Text – ISTG is a popular online abbreviation among today’s youth. ISTG is an acronym that means I swear to God. It's a close relative of the OMG (Oh My God). ISTG meaning is “I Swear To God” and is one of the most widely used acronyms in the English language. They are there for each other on the good days and the bad days. HMU meaning: hit. suggest new definition. What Does Istg Mean In Text? I swear to God ISTG means “I swear to God. Simply put, “ISTG” stands for “ I swear to God .