A disgusting vagina, that smells extremely foul and typically belongs to a very skanky woman.
The uberslut I brought home stunk up my whole bedroom with her putrid dogpussy.
An unusually nasty vagina, that reeks of a foul odor. Short for Blown Up Pussy
Dude, Gloria's nasty B.U.P. makes my sheets smell like really stinky armpits after we bump uglies.
