A fork of Rural Dictionary
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!"
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
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."