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A girl (or guy) who tries to imitate Lady Gaga in the way they act, dress and mannerisms.
Dude 1: Look at that girl with her hair in a bow, fake square diamond sunglasses, off the shoulder top and a short puffy skirt with fishnet stockings and hooker heels.

Dude2: She's such a Wannaga.
by jpp88 September 03, 2010