Wannabeiber

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"

Wannabeib

Any male performer under the age of 18 wanting, wishing, or aspiring to be Justin Beiber.

You see that Greyson Chance kid? He got famous off of youtube and the girls love him

Psh, he is just another wannabeib.