1 definition by Stir Friday

Top Definition
1. Masturbating without realizing another person is in the room.

2. Masturbating at a particularly high level of intensity, without noticing your mother in the chair next to you.

3. Masturbating while slowly turning into a bird.
Jesus, have these people been passed out on my floor all night? Oh man, I think I may have black swanned it around 3am
by Stir Friday July 18, 2011

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