1 definition by Duh, Winning

Wannabieber

Someone who looks, acts, sings, or dances like Justin Bieber. This includes, but is not limited to, a new Bieber-like haircut, random chick-like dancing, or obsessive squeaky-voiced singing.

Brock: Did Mason get a haircut?
Jordan: Yeah, he's such a wannabieber

by Duh, Winning June 16, 2011