Top Definition
shitting my pants laughing on the floor; a replacement of the growing obsoletness of texting terms such as haha, lol, and rofl
"when adam jizzed in his pants when our math teacher mrs. walker came into the room, i was smplof"

" when sarah's clothes got all wet and i could see her bare essentials, i was smplof"
by John Walkerson January 25, 2009
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