Cock-Flex 

A overly macho asshole that gets off on his own ass fumes because he can lift heavy objects or thinks he is "jacked"

Loves to wrestle with other men and partake in gay activitys but goes around calling other people fags

In the gym locker room all the cock-flexes were giving each other verbal reach-arounds

Cock-Flex by 3rdrocket October 14, 2011

Cock-Master Flex

The name for someone with an abnormally long penis i.e. hung like a horse

dude, george is a fucking cock-master flex....

Cock-Master Flex by ... May 17, 2003

flexall cock 

After applying a muscle reliever such as Flexall 454 or Ben gay, and then forgetting to wash your hands, and then taking a piss.

the victim is left with icy hot sensations on his wangal area.

I put some flexall on my shoulder, and then went to beat off, my cock felt like I just salsa fucked salma hayek

flexall cock by Jon Himself March 26, 2003

Cockflexer 

Another common name for a gay/Homosexual

Shut up you "Cockflexer"

He is a proper "Cockflexer"

Cockflexer by Ryan Mcmahon April 6, 2007