Top definition
A slice of white bread used as an alternative to a hot dog or hamburger bun.
Me: Damn! We don't have anymore hot dog buns.

Friend: That's OK, we have a whole loaf of Holsum, you can fashion yourself a Ghetto Bun.
by ML415 September 07, 2007
Get the mug
Get a ghetto bun mug for your mama Beatrix.