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Anything wonderful, great, fine, or awesome.
Tedwardo: Hey Todd, How're you today?
Todd: Im FANNYPACKTASTIC TEDWARDO!!
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Jane: Hey your new hair cut is fannypacktastic!
Jill: Thanks! and I just got these fannypacktastic shoes on sale.
by Shintwieda November 06, 2005
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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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2
Fanny packtastic is a mind orgasim at the thought of wearing a fanny pack or something of equal or greater excitment.
fanny pack pensi fanny packtastic
by Captain Hankey September 09, 2009
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