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1.
short for fantabulous
That show was fantab!
by julie bing January 22, 2005
 
2.
A term short for fantabulous, often used by the ditzy blonde type while flipping their hand to add emphasis and/or show off their new manicure.
Girl 1: "Have you seen Lindsey's new purse???"

Girl 2: "Like, duh! I totally was shopping with her when she found it. It's, like, totally fantab,, right?
by DrPepperIsMySoul March 28, 2012