Defines a faggot, asshole or douchebag. Basically can be called to anybody who gives much grief and annoyance.
common acronym defining a Bitch Ass Nyukuh Pussy Ass Nyukuh.
nyuhkuh being another term for n*gger
Bro1: yo i can't see that movie with y'all tonight, gotta chill with my girlfriend...
Bro2: wtf, you a banpan
Bro1:fuck off hater