What is Boyfriends' Butt?
1.
A male's bum hole that is so loose from being pounded by another man's erect penis that when passing wind an echoing wind noise is made.
Whooosh or pheewwww or haaaaaaa or breeeebb
"Wow Tim, you have a serious case of boyfriends' butt"
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1.
A psycho-physiological condition in pregnant women who are pregnant with female fetuses!
An 18-months' study carried out by Simon ..