Muscle sperm

Involuntary contractions of a muscle, typically harmless and temporary, but can be painful.

"Ow my muscle! What is this?" "Muscle sperm lolololol"

by Maximum Hamilton June 21, 2023

Marriage muscle

(Noun) The penis.

The wedding night: After a wonderful day, Winona wondered when she might get a peek at Walter’s famously huge marriage muscle...

by Tempus Fuggin Fugit April 1, 2021

Muscle meat

When you take 100 pound weight and lift it Up with your dick

That’s the last time I am doing angel dust because there’s pictures in my phone of me doing the muscle meat

by Dan V and Nicky g April 24, 2021

muscle muncher

A Man That Sucks Penis.

"Oi, Dave! Stop sucking that cock, you muscle muncher!"

by plebbhead October 27, 2011

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

Muscle Factory

A place where only the alpha males go to pump iron. Legend says their arms are bigger than your legs.

Muscle Factory - where Moulder got boulders for shoulders

by Kineton Florists March 14, 2019

muscle baby

One who was once skinny, frail, and weak then was taken by a muscle daddy (swole sensei) and buffed up.

"Why is Rich working out with us?"
"He's my newborn muscle baby."

by thePOGlife February 4, 2015