omgumf

oh my god you mother fucker

I kissed youre girlfriend yesterday OMGUMF

by tyler wasmuth May 10, 2007

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!"

by norapoleon January 15, 2007

omgtmf

OMG Oh My God, Thats My Ferrari. Used if you need to do something but you forget or you just use it for a major event.
Originated from OMG.

Man, we have a test tomorrow!!! It's 2 in the morning and I didn't study! OMGTMF!!!

by Army122 November 18, 2010