Definitions by a persin

lmaomfg 

lmao means "laugh(ing) my Fuckin (or freakin) ass off"

omfg means "oh my fuckin(or freakin) god(or gosh)"

lmaomfg is a combination of the two, but it only has one "o" to save time.

ppl #1: hey look at this hilarious pic!

ppl #2: lmaomfg!!!!!

lmaomfg by a persin April 10, 2008