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
by funnystuff1708 September 4, 2010
Get the buttpitmug. 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.
by Marziba December 3, 2011
Get the Buttpitsmug. by Marniechan December 29, 2023
Get the buttpitmug.