a squirting crevass
A super messy butt-f*** where the guy pours all his cum on the lady’s backside like it’s a milkshake and she’s the straw.
My grandma got a squirting crevass from my grandpa during their 50th anniversary party.
I got a squirting crevass in the park and it was the best day ever.
My friend’s dog got a squirting crevass from the mailman and now he’s famous.