1 definition by Micaiah Spice Latte
An acronym for the phrase "Shake my fuckin' PP." Used as a more severe substitute of "Smh," for when it's just not enough to express the sheer disappointment you feel at the target.
Guy: Yo, did you hook up with her or no?
Guy 2: I sent you a text earlier about that very fucking topic smfpp.
Guy 2: I sent you a text earlier about that very fucking topic smfpp.
by Micaiah Spice Latte November 04, 2018
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