B.N.

a nickname you give to someone who is being a bitch nigga...B.N. comes from the initials of bitch nigga

"damn Stephanie why you actin like a dumb ass B.N.?"

by stone mcgregor October 14, 2007

B.N.

B.N. means Big Nono. It is used when you want to say no, but saying no isn't enough.

JEFF: Hey Cindy! Will you go to prom with me?
CINDY: That's a B.N.

by bignono1 April 10, 2019