B.U.N

B.U.N stands for back-up-nigga, always have one because if that relationship doesn't work out. You always have a backup boyfriend.

"My man ain't shit imma get a B.U.N"
"Damn girl, my B.U.N just got a girlfriend!"

by realmoneygirl December 25, 2020

b.u.n

Back up nigga . When yo man ain’t acting right you got your bun

when my man take hella long To reply I text my b.u.n

by Mariaa ;)) May 30, 2019

B.U.N.

A term to describe a dumb black dude as in Butt Ugly Nigger

See that black dude running his mouth? He's most definitely a "B.U.N."

by NorpockHater April 26, 2024