Top Definition
Laughing My F*cking Ass Off Permanently
When my friend Brian said he got laid last weekend, I ended up LMFAOP for an hour.
by ChristinaFL March 01, 2006
Extention of lmao. It means 'Laugh my fucking ass of proper'. We came about this by mistake!
Joe: "I just fell over!"
kerry: "lmfaop."
by lady_bird_steph May 15, 2007

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