Definitions by Samantha Horneff

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!

PMFP by Samantha Horneff November 11, 2006