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JMP is an abbreviation for Jizz My Pants. This verb is used to describe something that would make you J your P. Similar JIMP or CMP
Bob: "You see that blonde with the huge tits and thong."

Jim: "Yeah, she makes me want to JMP."

Bob: "o shit, do you have a spare pair of boxers?"
by (-slimTHUG-) March 17, 2010
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