A term often used to describe a vagina or a butt hole. Can be used as an insult, compliment noun or pronoun. This may be the most usefull word ever.
Guy 1: Hey let's go to the club an get some pussbutt.
Guy2: Nah I'm gassy.
Guy 1: Man, don't be a pussbutt!
when a female is bent over and you see the vagina from the butt angle.
hey girl, bend ova and lemme see dat pussbutt!