A giant cock, too large and powerful to be called Cockzilla. It is the Cock of Cocks.
Last night that bitch I was with almost knocked herself out cold when she had her head too close to my balls as Cocktimus Prime was transforming. Dumb bitch, so I used Cocktimus Prime's main weapon, the baseball bat swing, and knocked her skank ass out anyway. All hail Cocktimus Prime.
A portmanteau of "cocks" and "proximity," cockximity is the distance between two men and their respective cocks while standing at urinals in a public bathroom.
Toby: Woah, dude, watch your cockximity!
Bryce: I like dudes.