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 April 24, 2012

bym muscles

Beat your meat muscles - biceps muscles guys get after beating their meat off.

Dude your muscles aren't real, they're just bym muscles

by Meish September 16, 2017

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 November 15, 2015

Butt Muscle

Douche Bag.
White Hat.
Poser.
D. Metzler From Baltimore Maryland

"Butt Muscle Is The New Douche Bag."

by Windsah Clang August 22, 2009

Butt Muscle

The name you give to a friend(or foe) , for being a dumbass.

DUDE!, i saw Matt talking to these hot chicks yesterday and he told me that he was busy, what a butt muscle!

by D-Peezy February 25, 2009

Doctor Muscles

It’s meaning incomes from the observation that male doctors often have muscles in the arms slightly above what the average or underweight person would have.

“I’m hoping to gain some doctor muscles at home before going to a gym.”

by SuddenlyCmour March 26, 2023

Knuckles Muscles

A flex, usually in the form of an emoji, used to indicate a post of strength or celebrate the dunking upon of an irritant or adversary.

I added a knuckles muscles to Shan's post when he shutdown Sam's dumb idea.

by dux4life May 12, 2022