go muscle

the high stamina dense type of muscle one gets from working an intense physical job

After working on the Edmonton-Fort MacMurray rail line for a summer, Darrell was all go muscle.

by Nostradamus Bear March 16, 2012

butter muscle

A penis incapable of achieving erection due to the over consumption of alcohol and/or meat (ribs).

"Hey dude did you score with Sally last night?"
"Nah bro, I got the butter muscle"

by KCMOMAN September 24, 2012

turd muscle

an asshole

English Teacher: "This is the third time you haven't done your homework, Kyle."

Kyle: "I had chores to do on myself afterschool, teach!"

E T: "Oh, please, you're a turd muscle. That's why you didn't do your homework!"

by NateBlake666 June 6, 2014

Dude muscle

Penis, dick, cock

Wow, check out his dude muscle

by CRA March 1, 2014

Muddle Muscle

1. noun, Triceps Brachii used for the crushing motion in certain cocktails like the sugar in an Old Fashioned or the mint in a Mojito.

Bartender: I made fucking mojitos all day, my muddle muscle's killing me.

by funniestman February 17, 2015

neck muscle

some one who says or does something that makes them look stupid.

Shut up jack, you neck muscle!

by tommy_kingston January 14, 2016

Fuck Muscle

A male reproductive organ used to have sexual intercourse.

Random A: I 've put my fuck muscle inside plenty of women.

by Cliqe January 20, 2016