A sloppy box, a nasty and over-used vagina.
Kara has a pretty face, but I wouldn't touch her slop box with a ten foot pole.
by Phil A. Sheo January 24, 2007
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When you get really drunk in a car sitting not moving and you dont drive it unless you want that Chick-fil-a
"Yo homie wanna go slop box the whip?" "Hell yeah nigga lets slop box the shit out the whip."
by Cuntycuntbaggycuntcunt February 7, 2018
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