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1. PMFP
a frequently used acronym used mainly during instant messaging conversations after something extremely hilarious has occured. the meaning is simply; pissing my freaking pants.
Samantha: you know i don't speak spanish you dirty cuban
Melinda: PMFP! that was so funny!
2. PMFP
a superduper word that is used to display the action of pissing in ones pants. if you use this, you are pretty freaking cool.
Carmen: i like to picture Jesus as a mysterious badger.
Elizabeth: dude im totally pmfp right now
3. PMFP
Pissed My F**king Pants

Chat room abbreviation from PMP
PMFP you're so funny!!
by sharkey george Apr 26, 2004 add a video
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