Popular Text Abbreviations & Internet Acronyms in English

In online chat, text messages, and social media, people often use abbreviations and acronyms. These save time and give a casual style. For ESL learners, knowing the common ones helps you understand informal English and avoid confusion.

What Are Text Abbreviations & Internet Acronyms?

Text Abbreviations

A text abbreviation is a shortened form of a word or phrase used in texting/chatting.
An internet acronym is formed from the first letters of a phrase, which speakers say as letters (e.g., “LOL”) or sometimes as a word.

For example:

BTW → “by the way”
BRB → “be right back”
FYI → “for your information”

Why Are They Important?

You’ll understand messages, chats, and comments that use them.
You’ll recognize when they’re used in social media, blogs, and conversations.
You’ll avoid being confused or missing meaning when someone writes “IDK” or “TTYL”.
You’ll also decide when it’s appropriate to use them (more casual situations) versus formal writing (avoid them).

Common Abbreviations & Acronyms You Should Know

Here are some of the most widely used ones:

Abbreviation/Acronym	Meaning	Example Sentence
ASAP	As soon as possible	“Please send me the report ASAP.”
BTW	By the way	“BTW, are you coming to the party?”
BRB	Be right back	“Hold on a sec—I’ll BRB.”
FYI	For your information	“FYI, the meeting is moved to 3pm.”
IMHO	In my humble opinion	“IMHO, that movie was too long.”
LOL	Laughing out loud	“He told me a joke and I was like LOL.”
OMG	Oh my God / Goodness	“OMG, that was amazing!”
TTYL	Talk to you later	“Gotta go now—TTYL!”
IDK	I don’t know	“IDK the answer to that question.”
FOMO	Fear of missing out	“I have FOMO when I see their photos.”

How & When to Use Them

Casual conversations: chats with friends, social posts, instant messages.
Avoid in formal writing: essays, business letters, official emails.
Be sure the listener/reader will understand: not all abbreviations are universal or appropriate in all cultures or age-groups.
Don’t overuse: too many can make your message hard to read or look too informal.

Tips for Learning & Using Them

Make a list of common ones you see often.
Try to understand the meaning in context before using them.
Practice by writing informal messages with friends or on social media (with permission) using some.
Learn the difference between abbreviations (shortened words) vs. acronyms/initialisms (first letters).
Be aware of regional or age-group variations — some slang might be newer or more niche.

List of Common Text Abbreviations

2DAY : today
2MORROW : tomorrow
B : be
B4 : before
BF : boyfriend
BRO : brother
WTH: what the hell
LMAO: Laughing my ass off
ROFL: rolling on the floor laughing
BTW: By the way
BT : but
OMG: Oh my god!
WTF: What the f***
OFC: of course
OG: Original Gangster
C : see
D8 : date
F8 : fate
GF : girlfriend
L8 : late
M8 : mate
PLS : please
SIS : sister
U : you
UR : your
ASAP : as soon as possible
CUL : see you later
HAND : have a nice day
HRU : How are you
LOL : laughing out loud
LTNS : long time no see
Dere/Tere: There
Thnx/Thnk u/Thnx/ty: Thank you
Wassup? /Wts up?/ Wtz up?/Sup?: What’s up?
Ny8: Night
Dnt: Don’t
Idk: I don’t know
Wut/Wat: What
Tc: Take care
Sd: Sweet dreams
Dat: That
Cu: See you
Wbu?: What about you?
K/Okies/kk: Ok
Idc: I don’t care
Ttyl: Talk to you later
Fyi: For your information
Otoh: On the other hand
UwU: Reaction to something cute
N/&: And
#: Number
2ny8/2nite: Tonight
Lol/lolz: Laughing out loud
msg: Message
Txt: Text
Sic: Said in context
Wrt: With respect to