buttpit
when a flap of skin hangs out the arm of your shirt resembling a butt. mostly found on a fat person with a small shirt
did you see that buttpit hanging out of that lady's shirt?
Buttpits
When your pits or someone else's pits smell like a butt. Particularly nasty B.O.
Alex: Did you get a whiff of Josh's buttpits in the locker room after?
Shaun: No, but I can just imagine the stink.
Shaun: No, but I can just imagine the stink.