monoceps 

When a guy has no abs whatsoever and is more or less fat in that particular area, he refers to his stomach as a monoceps, similar to stealth abs

John : Dude you should stop eating so much burgers and start working out, your stomach is really getting fat.
Mark : Oh come on youre just jealous of my monoceps.

monoceps by pooftwiggy February 24, 2010

Monocep

Slang for the most important muscle in the male body - the penis aka The Monocep.

While many men look to increase their Biceps, Triceps and Quadriceps, I prefer to focus on my Monocep in an effort to truly please the ladies.

Monocep by BatmanMuscles August 26, 2013