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A exclaimation, mostly used in written form. Used to convey a feeling of excitement, satisfaction or joy. Has been described as the new w00t, however is not as popular.

Derived from J. K. Rowling's fictional creature, the Fwooper, which sings an (at first) enjoyable song which eventually drives the listener insane.

Repetitive use of the word "Fwoop" has the potenial to do the same thing.
"Fwoop! I finally have the Harry and the Potters new album!"

by murgatroid August 10, 2007
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Fwoop: (n.) The part of a person’s butt where the skin attaches to the upper leg, making a tuck in the skin. (v.) to grab someone’s butt.
(n.) “Wow! Look at the fwoop on her!”
(v.) “dude, I just fwooped a girl who had such a nice fwoop!”
by AwesomerificDude May 05, 2010
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Friends With Occasional Penetration.
How is my Fwoop Partner doing?
by Fwoop January 19, 2017
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