Rejection muscle

A married mans nickname for his wifes vagina.

Harry "I tried to score a root from the wife last night but I lucked out"

Joe "What happened"

Harry "She flexed her rejection muscle at me"

by Bigpeteoz December 14, 2009

Muscle guy

Any person who works out, who can’t grow or gain size but walks around like they’re the biggest person ever.

There a lot of muscle guys in the gym today

by @smoochsmacker December 20, 2018

Muscle Fats

A beefy, muscular guy that looks kinda fat but still doable.

I'd so have sex with that muscle fats.

by Muffy the Slampire Slayer May 20, 2011

twat muscle

bitch, pussy, asshole,etc, anything you would call someone if you were mad, or frustrated with them

"Damn it Coolie you twat muscle, give me my shorts back!"

by Casey Hurn May 24, 2006

muscle butt

A girl who has a ass that is so muscular that if she wasn't muscular it would be straight flat

Damn maddys ass is so muscular she got a muscle butt

by David Yeum May 16, 2016

Muscle Rub

A rough and vigorous hand job.

Sonja gave Frank a Muscle Rub to completion. The harder the tug the more he unloads.

by Eaton Holgoode May 2, 2015

smart muscle

The butthole muscle that determines if a fart will contain solid matter and thus retains the fart for later release on the toilet.

I think my smart muscle is broke because I just sharted in my skivvies.

by masedog February 3, 2008