Top Definition
noun (cocks·wane)
1. The period after erection in which a man's penis returns to flaccidity.
2. Any feeble, impotent, or incompetent person.
1. Woman: Baby, I want to go again. Oh, cockswane already? That was fast.
2. I said Becks, not Milwaukee's Best, you freaking cockswane!
by G-Rass November 28, 2007
a bird with a penis for its head
oh my gosh look at that cock swane flying around
by Chuxx October 29, 2006

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