100 Most Common Internet Abbreviations for Texting and Tweeting (2026)

Key takeaways

• Internet abbreviations vary by platform: texting, Twitter/X, professional email, gaming, and dating each have their own vocabulary.
• Some abbreviations have shifted meaning over time, and using an outdated one incorrectly can cause confusion.
• Many abbreviations are informal and should not appear in professional or academic writing.
• Native speakers often use context and tone to know which register an abbreviation belongs to.

You are chatting online in English, everything is going well, and then someone sends NGL, that was lowkey GOAT and you stare at the screen. Internet abbreviations form an unofficial second language inside English, and they change faster than any textbook can track.

italki connects learners with English teachers who are native speakers or fluent professionals who can explain not just what an abbreviation means but when and where it is actually used.

This guide covers 100 of the most common internet abbreviations organized by category (texting, social media, professional, slang, gaming, and dating), with meanings and usage notes for each one, plus guidance on which abbreviations are still current in 2026 and which are fading out.

Texting abbreviations

These abbreviations originated in SMS text messaging and remain common in personal chats.

Abbreviation	Meaning	Usage note
LOL	Laughing out loud	Now often used to soften a statement rather than indicate actual laughter
BRB	Be right back	Used when stepping away from a chat briefly
OMG	Oh my God / goodness	Expresses shock, surprise, or excitement
IMO	In my opinion	Signals a personal view
IMHO	In my humble opinion	Slightly more formal or self-deprecating version of IMO
TBH	To be honest	Introduces a candid statement
IDK	I don’t know	Quick acknowledgment of uncertainty
IKR	I know, right?	Expresses strong agreement
NGL	Not gonna lie	Introduces an honest or surprising admission
SMH	Shaking my head	Expresses disappointment or disbelief
BTW	By the way	Introduces an aside or additional point
JK	Just kidding	Clarifies that a previous statement was not serious
TMI	Too much information	Signals that a detail was oversharing
GTG	Got to go	Used to end a conversation quickly
HMU	Hit me up	An invitation to contact someone
LMK	Let me know	A request for information or confirmation
TBT	Throwback Thursday	Sharing an old photo or memory, originally on Thursdays
ICYMI	In case you missed it	Used when sharing content that others may have overlooked
FYI	For your information	Introduces a useful piece of information
TTYL	Talk to you later	A farewell used at the end of a chat

Social media and Twitter/X abbreviations

These abbreviations are common on platforms like Twitter/X, Instagram, and TikTok.

Abbreviation	Meaning	Usage note
RT	Retweet	Sharing someone else’s post on Twitter/X
DM	Direct message	A private message sent on a social platform
OP	Original poster	The person who started a thread or posted the original content
AMA	Ask me anything	An open invitation for questions, popularized on Reddit
TLDR	Too long; didn’t read	A brief summary placed at the top or bottom of a long post
FWIW	For what it’s worth	Introduces a possibly minor or uncertain point
IIRC	If I recall correctly	Signals uncertainty about a remembered fact
AFAIK	As far as I know	Expresses a belief that may not be fully confirmed
ETA	Estimated time of arrival	Also used to mean edited to add in online posts
TIL	Today I learned	Used when sharing a surprising new fact
ITT	In this thread	Refers to the discussion happening in the current post
IMO	In my opinion	Common in comment sections
FML	F*** my life	Expresses frustration at a bad situation (informal/crude)
SMH	Shaking my head	Common in comments expressing disappointment
OOTD	Outfit of the day	Used on fashion and lifestyle posts
POV	Point of view	Introduces a scenario from one person’s perspective
TBF	To be fair	Introduces a counterpoint or balanced perspective
ICYMI	In case you missed it	Common when resharing older or buried posts
NPC	Non-player character	Used on social media to call someone robotic or unoriginal
IYKYK	If you know, you know	Signals an in-joke or exclusive reference

Professional and email abbreviations

These are appropriate in workplace emails, messages, and documents.

Abbreviation	Meaning	Usage note
ASAP	As soon as possible	Standard in professional urgency
FYI	For your information	Acceptable in workplace emails
TBD	To be determined	Used when a detail is not yet finalized
TBA	To be announced	Similar to TBD but used for public announcements
OOO	Out of office	Standard in auto-reply emails
EOD	End of day	Common deadline marker
EOM	End of message	Placed in a subject line when the full message is in the subject
CC	Carbon copy	Adding another recipient to an email
BCC	Blind carbon copy	Adding a hidden recipient to an email
Re:	Regarding	Precedes the topic in formal replies
P.S.	Post scriptum	Added note after the main body of a message
N/A	Not applicable	Used in forms and reports
FAQ	Frequently asked questions	Used in documentation and help pages
KPI	Key performance indicator	Business and analytics context
ROI	Return on investment	Financial and business planning context

A online English teacher specializing in business communication can help you understand which abbreviations are standard in professional contexts and which ones would seem too informal in a corporate email.

General internet slang

These abbreviations and terms are common across many platforms and conversations.

Abbreviation	Meaning	Usage note
GOAT	Greatest of all time	Highest possible compliment for performance or skill
FOMO	Fear of missing out	Anxiety about missing an experience others are having
YOLO	You only live once	Justification for taking a risk or making an impulsive choice
AF	As f***	Intensifier, like very or extremely (informal/crude)
OTP	One true pairing	The ideal romantic couple, often from fiction
IRL	In real life	Contrasts online interactions with physical-world ones
TFW	That feeling when	Introduces a relatable situation or emotion
MFW	My face when	Followed by an image or emoji showing a reaction
WTF	What the f***	Strong surprise or disbelief (crude)
ROFL	Rolling on the floor laughing	More intense laughter than LOL
LMAO	Laughing my a** off	Strong laughter, more emphatic than LOL (crude)
AFK	Away from keyboard	Temporarily unavailable
BFFs	Best friends forever	Close friends, mostly used among younger speakers
YGWYPF	You get what you pay for	Lesson about quality and price (less common)
NBD	No big deal	Downplaying a situation
NSFW	Not safe for work	Warns that content is inappropriate for a professional setting
SFW	Safe for work	Confirms content is appropriate
IRL	In real life	Distinguishes offline from online
ETA	Estimated time of arrival	Common in chat when asking when someone will arrive
IDC	I don’t care	Brief dismissal

Gaming abbreviations

These are used in online gaming communities, livestreams, and gaming chat.

Abbreviation	Meaning	Usage note
GG	Good game	Said at the end of a match as sportsmanship
GG EZ	Good game, easy	Taunting variation, considered unsportsmanlike
AFK	Away from keyboard	Player is not actively controlling their character
NPC	Non-player character	In gaming: a character controlled by the computer
OP	Overpowered	A character, item, or strategy that is too strong
Noob / n00b	Newbie	An inexperienced player
PVP	Player versus player	Combat between human players
PVE	Player versus environment	Combat against computer-controlled enemies
DPS	Damage per second	Measure of a player’s offensive output
RNG	Random number generator	Refers to luck-based outcomes in games
Meta	Most effective tactic available	The current best strategy in competitive play
Buff	Improvement to a character/item	When developers make something stronger
Nerf	Weakening of a character/item	When developers make something less powerful
Respawn	Coming back to life after dying	Standard gaming term
Grind	Repetitive play to gain experience	Spending time on repetitive tasks for reward

Dating and relationship abbreviations

These appear on dating apps, social media, and in personal conversations about relationships.

Abbreviation	Meaning	Usage note
DTR	Define the relationship	Having a serious talk about what a relationship is
LDR	Long distance relationship	A romantic relationship across a geographical distance
SO	Significant other	A gender-neutral term for a romantic partner
BF / GF	Boyfriend / girlfriend	Standard informal terms
FWB	Friends with benefits	A casual arrangement without a committed relationship
Ghosting	Cutting off contact suddenly	One person stops responding without explanation
Situationship	Ambiguous romantic situation	Somewhere between friendship and a relationship
Breadcrumbing	Giving minimal attention to keep interest alive	Considered manipulative behavior
Swiping	Indicating interest on a dating app	Comes from the gesture on Tinder and similar apps
Match	Mutual interest on a dating app	Both people express interest

Abbreviations to use with caution

Some abbreviations have become outdated, are platform-specific, or carry a tone that does not suit every audience:

• ROFL and TTYL are considered dated by younger users and may sound old-fashioned in casual teen chats.
• BFF is mostly used ironically by adults.
• GG EZ is considered hostile in most gaming communities.
• Any abbreviation that includes profanity (WTF, LMAO, AF) should be avoided in professional or formal contexts.
• IYKYK signals an in-group reference and can feel exclusionary if misused.

British English slang shows how informal English vocabulary shifts by region, tone, and context.

Register: when to use internet abbreviations

Casual texting and personal chats: Almost any abbreviation is appropriate here if you know the person well.

Social media posts: Context matters. Instagram captions, tweets, and TikTok comments welcome casual abbreviations. LinkedIn posts and professional forums do not.

Work emails and messages: Stick to the professional abbreviations listed in the table above (ASAP, FYI, TBD, OOO). Avoid anything informal or ambiguous.

Academic writing: Never use internet abbreviations in academic or formal writing. Spell everything out.

Book a trial lesson to walk through the register differences so you know instinctively which abbreviations fit which context.

Practice natural English with a tutor

Understanding what an abbreviation means is one thing. Knowing when to use it, how to respond when someone uses it, and how to read the tone it conveys are the harder skills. Those come from real conversation with native or proficient speakers who use this language naturally. italki connects you with over 30,000 expert tutors trusted by more than 10 million learners worldwide. Book an English trial lesson and start learning the English that people actually write, not just the English in textbooks.

FAQ

How quickly do internet abbreviations change?

The core set (LOL, BRB, OMG, ASAP, FYI) has been stable for more than 15 years and shows no sign of disappearing. Slang-heavy abbreviations (like GOAT, FOMO, IYKYK) can shift in meaning or frequency within one to two years. The best way to stay current is to consume native English content on social media regularly.

Are internet abbreviations the same in British and American English?

Most are identical, as internet culture developed largely without geographical borders. A few differences exist in professional vocabulary (British writers often use re: differently, and some business abbreviations differ). For everyday texting, British and American users share the same abbreviations almost entirely.

Should non-native speakers use internet abbreviations in casual chat?

Yes, but with care. Using common abbreviations correctly signals fluency and helps you fit into informal conversation. Misusing them, on the other hand, can send the wrong tone or make a message confusing. Start with the highest-frequency ones (LOL, BRB, TBH, IDK) and expand your repertoire as you encounter new ones in context.