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!!!

omgtmf by Army122 November 18, 2010

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

OMGTIFA

OMGTIFA is an anagram similar to OMG or LOL.

What it means is
Oh My God This Is Fucking Amazing.

Either that or,

Oh My God That Is Fucking Amazing.

Oh and if you dont like cursing then,

Oh My God That Is Freaking Amazing.

Guy1: Hey man try this sandwich and tell me what you think.

Guy2: OMGTIFA!!!!!!!!

OMGTIFA by Turdfergison23 July 3, 2009

OMGTF 

Oh My God Take Forever!!!

Man: "How long is the wait for a table?"

Restaurant Hostess: "An hour and 10 minutes."

Man: OMGTF!!!

OMGTF by R. Slater December 9, 2010

omgumf 

oh my god you mother fucker

I kissed youre girlfriend yesterday OMGUMF

omgumf by tyler wasmuth May 10, 2007

OMGTSFS

OH MY GOD THATS SOME FUNKY SHIT!

The Prodigy and Faithless - Insomnia Vs Funky Shit; "I can't get nos sleep... OMGTSFS!!!"

OMGTSFS by YiDo August 24, 2008

omgtsfrotflol 

oh my god(gosh)thats so funny rolling on the floor laughing out loud. not really used in real conversaion or IM conversation. it just makes people go WHAT THA HECK!?!?!?!? its kinda funny

harold: (some funny joke)
leslie: omgtsfrotflol!!!!!!!!!!!!!!!!!!!!!!!!

omgtsfrotflol by CrazyShortPerson February 7, 2009