An
acronym for, laughing my fucking ass off at you, big fat monkey. 1.
Used as an
insult or 2. just joking around.
1. prson1: I HATE U
IM GLAD U TRIPPED AT LUNCH LMFAOUBFM!!!!
2. prson1: LOL! Did you see that person
trip at lunch! I was soo like LMFAOUBFM!!!!
xD