Top Definition
Literally, "Ohmigod, laughing my fucking ass off." Denotes something extremely funny.
"Dude, did you heard about Tori Amos? She got run over by weed wackers!"
"OMGLMFAO!"
by norapoleon February 26, 2004
2 Words related to OMGLMFAO

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×