A douchebag who tries way to hard to look like the singer and performer "Justin Beiber".
He's such a Wanna beiber its not even funny.
by John dough yo November 29, 2010
Can you define these popular missing words?
Someone who acts liek or "wnts to be" Justin Beiber
Kid walks in with a comeover and a pre-pubescent voice... "Man that kid is a wannabeiber"
by xxilyxx378 July 02, 2010