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Any container used to hold liquid (such as a glass, mug, or a cup), that could be potentially used to cum in, that has been cummed in, or is frequently cummed in.
Dude, don't leave your mug in the living room, Stefan'll use it as a cum cup
by TS15592 December 05, 2007
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a girl that has sex with a lot of guys. hooker
1. You fucking cum cup. You fucked everyguy on the block..
2. Yo, that girl fucked the whole school.. She is a fucking cum cup.
by Derty-E July 27, 2006
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The dimples on a person's lower back right above the booty and on each side of the spine. Used to catch cum when a man unloads on your back/ass.
Damn, I'd like to fill her cum cups!
by IrishSprings February 07, 2017
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