When your partner cums in your ass, and then when they go to smack it afterwards, you fart the shit and cum out all over their hand.
*sharts cum on their hand*
My partner: "Babe, why'd you have to give me the Brexit?"
A sex act in which someone rubs feces on a penis and then sucks it off clean.
"Didn't you hear, I gave my partner the zucc last night"