A word used to describe when you've had a fantastic, fabulous, fantastic day. This word falls under the category of closed compound words, and is typically used when you are too lazy to move your mouth around when you could do it with -3 times the effort.

White Chick: OMG. I just went to Starbucks and I had the most fantabulastic time!
White Chick 2: LOL. Really? What was it that made your time there so fantabulastic?
White Chick: OMG. I CAN'T EVEN. They just released the new Pumpkin Spice Latte! Totes my fave.

Fantabulastic by shiba_inu May 2, 2017

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Fantabulastic

Someting both fabulous and fantastic

The frocks in Priscilla Queen of the Desert were simply fantabulastic.

Fantabulastic by Steve J Hanning March 4, 2007

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Fantabulamastic

-Pronounced fan-tab-yoo-luh-mass-tick.
-Derived from a combination of the words fantastic (hence the "fant" and "astic'), fabulous (hence the "abul'), amazing (hence the "ama").
-Familiarized(and theoretically created) by a male named Morgan.
-Formerly the perfect temperature of water.
-Newly the description of the best kinda-sorta girlfriend ever.

"Hey, Morgan! Get in the pool; the water is fantabulamastic!"
"Psh, no! My girlfriend Laura is fantabulamastic! I'd rather stay out of the pool to text her."

Fantabulamastic by MorgansFantabulamasticGirl August 18, 2009

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Fantabulastic

A word that means Fantastic and Fabulous put together by this girl named Hannah.

Girl: I'm so Fantabulastic!
Guy: Trueeeeee.

Fantabulastic by MarvMacAndCheese October 4, 2017

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