Derived from the movie Black Swan

To meet a naive individual then later have relations with them after heavily being under the influence, hearing of their disbelief they would do such a thing the next day.
Bro, she totally went black swan on you last night, she's totally not that type.
by Kaolo March 1, 2011
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An omen of pending death; a look on someone's face indicating that they have seen the grim reaper, and their eyes begin to bleed and turn black.
You could see the vision of the black swan as he lay on his death bed.
by The Only One June 27, 2006
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A friend or lover of a vampire who understands the vampiric community; Can or cannot be a donor
I'm his black swan- I feel comfortable around him and accept him, even though he is a vampire.
by Donshin May 25, 2007
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Black Swans are inside traders, front runners, market manipulators. Black swans create market swings. Black Swan insurance might possibly be an undercover federal investigation; a sting.
The Mad Max of Wall Street Anthony Elgindy was a Black Swan (con); and his partner, a crooked FBI agent (insider).
by CuproTrio July 28, 2010
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The act of not holding back and putting your whole being into accomplishing a task, usually resulting in a state of awesomeness. Originates from the popular movie Black Swan starring Natalie Portman and Mila Kunis.
We won our scavenger hunt because we were running all around the city and we black swanned all the challenges.

Oh man, I totally black swanned my powerpoint presentation today. I made a bunch of crazy slides and inappropriate jokes, and the client loved it.
by Im.birthday December 20, 2010
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After anal penetration and climax, pulling out your penis and it's soft and covered in excrement and looks like a black swan
Greg totally just got a black swan from sithole.
by Apollo Guy March 8, 2011
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