Top definition
any kind of competition involving cum; usually involves a measure of speed, distance, or volume of cum
dude 1: hey you cumming to the cumpetition on saturday?
dude 2: hell ya, i've been waiting to cum all week!
by billy boi bud December 04, 2010
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2
A race between two males to see who can fill a cup with jizz first.
John and I had a cumpetition on Saturday. I just won by a few seconds.
by BlockyMcBlockinson June 21, 2016
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The vengeful act of crapping on a lover's chest while they sleep.

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