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Definitions by bberger

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
lmfaoubfm by bberger October 30, 2011
It is a substitute for the word "bitch".
Guy 1: Did you see that girl whining?
Guy 2: Yeah, she was a real Bob.
bob by bberger April 25, 2011