cock collage 

Any place there are am irregularly large number of dudes.

Also see Sausage Fest

Hey was that bar any good last night?
No bro...it was a fucking cock collage.

cock collage by Onebigpapa July 16, 2014

Collateral Cock 

The event when a fat ugly chick uses her hot friend in order to get laid.

Damn dude, Sally was fucking awesome in the sack, but I had to give her fugly friend some collateral cock or she wouldn't let me hit it.

Collateral Cock by irishpatrick03 August 5, 2008