slang Excellent or outstanding. A portmanteau of "fantastic" and "fabulous." Fantabulous! I'll meet you at 8:00 then. A: "OK, I'll give you guys a chance." B: "Fantabulous—you won't regret it!"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
exclam. Great! (A blend of fantastic and fabulous.) You’re here at last. Fantabulous! Where did you get that fantabulous haircut. There’s no two hairs that are going in the same direction! Fab! Fab! Fab!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.