OMFGLMFAO 

Means:
'Oh My Fucking God Laugh My Fucking Ass Off'.

Can be used on Aim, Myspace, Facebook, Etc.

Aim Conversation

Person 1: AND THEN HE FELL!!!

Person 2: OMFGLMFAO!!!

OMFGLMFAO by Meeeeppppssseesss July 2, 2008

OMGLMFAO 

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!"

OMGLMFAO by norapoleon January 15, 2007

omfglmao 

text term meaning "oh my f*cking god laugh my ass off"

omfglmao what a piece of crap!

omfglmao by mike allen andrews January 25, 2009