cumburn
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"
"you have cumburn?"
"yeah"
Cumburn
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.
Cumburn
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.