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A GREEAT fuck. A girl who is not only hot, but a freak in bed. comes from fabulous and fantastic, combine the two and you get a fantabby.
That girl was a fantabby.
O GOD look at that fantabby.
That girl at the bar last night was a fantabby.
So, what'd you do last night, nothing really met this bitch and got in a fantabby!
by Geejer March 01, 2009
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Sep 8 Word of the Day
A casual invitation / threat used by an individual that is not afraid of fucking someone up.
PAUL: I'm going to beat your ass.

JACK: Fuck around and find out, fool!
by NX STARCHILD October 16, 2020
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