"Shit My Pants" When you have reached the point of extreme laughter and you literally shit your pants!
Ruchi: "Did you see that redneck windchime?!"
Kevin: "Yeah I absolutely SMP, ahhh that was to effin funny!"
by OptimusKevin October 04, 2011
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Acronym for Shaking My Penis. Similar to SMH (Shaking My Head) or SMFH (Shaking My Fucking Head), although it makes for one awkward internet conversation.
Rodney: Hey man, check this girl's profile pic out. She's definitely a fake. No one is that beautiful.

Joaquin: Yeah, SMP.
by The Real Hot Coffee July 26, 2011
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Acronym for "Symmetrical Multi-Processing" A computer with more than one processing unit.
I am not SMP capable before at least two cups of coffee.
by Anonymous February 04, 2003
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Text language for "shit my pants", to express that something is funny.
TXT1: I just got fired from Costco!
TXT1: Fuck you
by Little T mart July 31, 2009
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