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.
Psh, he is just another wannabeib.
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"