Two men are cock cousins when they have both had sex with the same hole of any specific woman.

Also see snatch sisters.
"My ex-girlfriend has become a right slut; I'm probably cock cousins with half of {town/bar clientèle} by now."
by e_monkey August 18, 2011
2 more definitions
Top Definition
An insult for two males that like to play with each other's penis/cock.

Similar to butt buddy.
Dude you and Ryan are not only butt buddies but also cock cousins.

I coined the term cock cousin to describe Doug's infatuation with Ryan's dick.
by George Tao March 26, 2007
Guys who hang out a lot and are more than "just friends." Similar to butt buddy.
Doug and Ryan are cock cousins.
Dude quit being his cock cousin.
by George Tao February 02, 2007

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