look up any word, like bukkake:
 
1.
anybody that tries to b somethin' they're NOT
Dat Gurl is a wanna b
by Mz E April 17, 2007
 
2.
A person who tries to fit in with a crowd that does not like them or will not let them hang out with the group.
Harold's ex-wife is a wannab biker chick.
by Dana Hawn January 18, 2004