Top Definition
laughing my fucking ass off so much that i pee shit and shit pee
boy# 1: calls his friend hey dude
boy# 2: hey
boy# 1: i just saw this video on YouTube
boy# 2: and?
boy# 1: it was so funny that i was LMFAOSMTIPSASP
boy# 2: ur a fag bye
by natwolffsgirl May 19, 2008
6 Words related to LMFAOSMTIPSASP

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