cock swane 

a bird with a penis for its head

oh my gosh look at that cock swane flying around

cock swane by Chuxx October 30, 2006

cocksbane 

Any person or situation which instantly negates any eroticism; a boner killer.

My parents walked in on me and my fiance. It was cocksbane, man.

cocksbane by RndmPeep June 23, 2017

cockswane 

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!

cockswane by G-Rass December 28, 2007

cockswangling

When you violently masturbate with your penis, sometimes even leading to mutilation.

I had to go to the hospital because I was cockswangling.

His cockswanglation lead to his transplant.

You should never cockswangle.

cockswangling by Captain Drunk Pirate Snorty May 2, 2014