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A holiday that takes place during the month of November in which friends attempt to "swoop" or take over possession of their friends' girlfriends, significant others or love interests. All girls/boys of friends or collegues are fair game and one cannot be upset with a friend or collegue if his or her significant other or love interest is swooped upon. It is customery to make a bird symbol with one's hands and decree "Caaa Caaa" in reference to a bird sound (probably that of a crow) once a swoop is completed. Leaving your victim a can of "Swoops" candy upon the completetion of a swoop upon said individual is also customery.
James: Sorry I swooped on your girl, it's November and you know what that means... Swoopsgiving. Caaa Caaa!
by Morgan Hernan September 25, 2006
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