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1.
sex pee is where you came, but didnt pee right afterwards, and then when you go to piss afterwads, it shoots off in the wrong direction.
dude, I fuct Ally last night man, but we fell asleep, and like, i had sex pee. So i had to clean up the floors...
by Weasel February 03, 2005
 
2.
The semen discharged during ejaculation.
I pulled out and sprayed my sex pee all over her back.
by The Stain July 01, 2007