the words fantastic and fantabulous mushed together to make the supreme adjective.
Girl 1: Woah your skirt is fantastic
Girl 2: Its fabulous
Girl 3: You mean fantabulous
by lilmissizzy March 24, 2009
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A way of saying fantastic and fantastic at the same time. The best way to exclaim something great.
Person 1: Did you see Justine's outfit today?

Person 2: Yea! It's FANTABULOUS!
by purplewombats1125 December 11, 2012
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For all other human beings: fabulous, fantastic, amazing.

Specifically referring to former Washington, DC mayor, Marion Barry, "fantabulous" is the definition of a worst possible scenario. Shortly after Barry's personal publicist, LaToya Foster declared Marion Barry was feeling "fantabulous," it was revealed 57 minutes later that Barry was, in fact, DEAD.
Me: Damn man, I'm feeling fantabulous today! You: Uh, you mean like Marion Barry? Me: Aw shit, he's dead. I need to find a new word to use, huh? You: Yeah, probably. Me: The bitch set me up. Ok, I am the opposite of fantabulous! You: That's great!
by pseupseupseudonym November 23, 2014
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Are you tired of your old gay quotes?
Doesn't fantastic just feel like it used to?
Is fabulous already soooo used?

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That price is just sooooo fantabulous.
by Deltamon July 1, 2009
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when something or someone is both fabulous and fantastic at the same time.
the luxor hotel/casino in las vegas is "fantabulous" !
by missmajestic69 November 13, 2016
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fantabulous means fantastic and fabulous at the same time
"wow! you look fantabulous!"
by happy cheese woman January 8, 2012
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A combination of the word "Fantastic" and "Fabulous". Can mean something "extraordinary", "marvelous", "phenomenal", or "stupendous".
"This trip will be Fantabulous!"
"We had a Fantabulous time at Disney!"
by jonmaz December 5, 2013
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