cockleavage 

When a person of the male gender has left his zipper open exposing the top of his cock.

That dude has some serious cockleavage going on.

cockleavage by Pinkcadillac64 May 24, 2016

cocksavage 

the boyfriend of Mr. Buttsavage from the Nickelodeon show Doug

Mr. Bone secretly wanted to get in Mr. Buttsavage's pants, but he knew that Mr. Cocksavage would somehow find out.

cocksavage by Dead Cousin Ted January 27, 2012