Cardiac muscle

Cardiac muscle is one of the three types of muscle in your body. It is the muscle of the heart that contracts to pump blood to the rest of the body.

Person 1: *lives*
Person 2: "I guess your cardiac muscle is doing it's job, huh?"

by craigellachie March 1, 2022

Liam’s muscles

Liam WILL HAVE THE BIGGEST muscles you’ve ever seen girls can’t take there eyes off them he is a chick magnet. One year he will have no muscles at all then a few years late He will work out like mad.

2019 girl : omg liam has no muscles.
2022 girl : damn liams so hot and his ripped!!!
Liam’s muscles. Liam has no muscle then is ripped

by Big brain kid 69 March 4, 2022

Italian muscle

When speaking of one's Italian muscle, one often refers to the male genitalia also referred to as 'phallus'. Due to the Italian culture often being associated with romance and affection, and the penis being a prominent muscle, one's "Italian muscle" is a reference to one's penis.

"He really knows how to flex his Italian muscle"
"I could use some Italian muscle on Friday night"

by Michelangelo November 29, 2021

pimp muscle

a pimps penis,cock,or tallywacker

the pimps pimp muscle was stiff with excitement

by Tyler Barron January 27, 2005

jo muscle

the jack-off muscle

put your dominant arm out in front of you.
put your hand in a fist.
then move your wrist up and down.
you will see the muscle in your arm go up and down.
girls already have it but boys can develop a bigger jo muscle.

by mrs. phelps<3 January 20, 2009

Facebook Muscles

(n) When someone says stuff on their wall, others wall, and or private message that they would never say in person.
(v) The act of messaging or posting on a wall, that would never be said in person.

(adj) ex: The guy hit on a girl by posting how hot she is on her photo in facebook, but when they got together he coward away. "Man that guy has facebook muscles".

by usmcvince January 18, 2012

Masturbation Muscle

When a male has fapped so much, that one arm is bigger than the other one.

Guy 1 "Dude how did Daniel get so buff?"

Guy 2 "Look at his arm."

Guy 2 "It's because he tones his Masturbation Muscle."

Daniel "No! I just workout."

by Lifewithaknife November 1, 2011