when you ejaculate and your penis is burning so you sit on the toilet waiting to piss.
"i was fucking a girl last night and it went shit"
"you have cumburn?"
"yeah"
by "Mike has sideman syndrome" December 30, 2016
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When a man ejaculates so many times he gets a work out burn, but within his cock.
Yo man I had so much sex last night i got cumburn today.
by Eddie O Spaghetti O December 21, 2008
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When a man cums so much in a day that his cock has a workout- like burn.
I jerked off twice yesterday and fucked Susie three times, my cock has serious cumburn.
by Eddie O Spaghetti O February 28, 2009
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