OMFGZ 

OMFGZ is an exaggeration of OMFG, meaning Oh My Fucking GodZilla.
You use it to impersonate as an over enthusiastic person.

MLG Potato: Yay I can't wait to go to Japan it's gonna be so cool omg omg
You: OMFGZ YA T3H J4P5 IZ DA BEZT ROFLOL

OMFGZ by Llama Leap November 24, 2016

OMFGZ 

OMFGZ is an exaggeration of OMFG, meaning Oh my fucking god.
You use it to impersonate an over enthousiastic person.

Alan: Yay I can't wait to go to Rome it's gonna be so cool omg omg
You: OMFGZ YA T3H R0ME IZ DA BEZT ROFLOL

OMFGZ by Nesco June 10, 2007

OMFGZ 

A variant of OMFG but with zombies, usually used in a one word sentence.

OMFGZ! OMFGZ. OMF-gurgahhadghdh Brains.

OMFGZ by [e-mail] December 15, 2009

omfgz 

Phrase meaning oh my fucking god.
The "z" is just used to over exagerate the phrase.
Usually used by Paul Griffiths

Paul: I own babycakes
Loser: what's babycakes
Paul: Omfgz!

omfgz by daniel$cott March 2, 2008

OMFGGG

Oh
My
Fucking
Good
Golly
Gobstoppers

Person 1: OMFGGG
Person 2: what the hell does that mean?

OMFGGG by reese loves ringo May 4, 2010

omfgfml 

Oh My Fudge Goggles Forgot My Lunch.

Use this term when you've forgotten your lunch, instead of shouting out abuse when teachers/co-workers are around.

Gary: What have you got for lunch?
Bob: *looks in his bag* omfgfml!
Gary: Here have a cupcake :D

omfgfml by jimbobthefish March 19, 2011

OMFGOS 

Oh my fucking gosh octopus shit

Did you see that wait what was that omfgos

OMFGOS by OMFGOS May 26, 2015