Top Definition
A drinking game combining a slip n slide and flip cup in a wildly entertaining competition of college drinking.
"Ayy, let's play a round of slip cup. It's hot outside."
by Casadyday July 03, 2015
A slipping of the cup used to protect the testicles caused by not being held in place due to the smallness of the testicles.
Frank was kneed in the balls in football due to a slipcup.
by Alucard721.5 June 16, 2007
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