LMAO
- 1Short for laughing my ass/arse off: used in online messages to show that something is very funny, often with exaggeration.
LMAO, my dog just tried to bark at his own reflection again.
His only response to the blooper reel was a string of "LMAO" messages.
UsageStronger than lol. Fine in texts and casual posts, but out of place in work email.
Note
The letters cover both spellings of the hidden word, ass and arse, so one form serves everyone. The amusement it signals is usually exaggerated, and its vulgarity is mild but real.
Checked 2 Nov 2026 · 1 fact
- The initialism accommodates both ass and arse. en.wiktionary.org
- 2To laugh extremely hard, to the point of being helpless with amusement.
My friends and I lmao at his terrible puns every single time.
She kept lmaoing through the entire stand-up set.
UsageOften lmaoing at or about something.
Similarhowl, roar, guffaw, laugh
Note
The thing found funny takes about: in Daniel José Older's Shadowhouse Fall (2017), girls are told they will soon be "LMAOing about" their quarrel on group chat.
Checked 2 Nov 2026 · 1 fact
- Daniel José Older wrote Shadowhouse Fall, first published in 2017. scholastic.ca
Showing meanings only.
Use it in a sentence
Write your own sentence with LMAO, and AI will tell you whether it fits and which meaning you used.