Top definition
a refreshing mixture of cum and piss, made by doing a little piss at the same time as cumming.

woman: mmm...your cum tastes a bit pissy.

man: that's because it's cum-piss. i made it by doing a little piss at the same time as cumming.

woman: i think i have anal crabs.
by bit thick November 03, 2006
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2
When you piss after busting a nut.
"Damn why is your piss so thick and drooping".

"Cause it's cumpiss"

"Thaaaaats why it's whitish yellow, ok"
by Side boobs November 23, 2016
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