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Just another way to say whatever trevor. However, people tend to say this when they're in a chirpier mood, whereas alot of people who say whatever trevor are really saying 'ok, I'm just going to agree with you for the sake of it so you will shut up'.
Jack: "Yo Sarah, you mind if I ride wit you?"
Sarah: "Ok. Treva whateva!"
by SugaMumma June 15, 2010