Musclesexing

One muscleman engaging in sex with another man. The muscleman can be either the one initiating the act, the person invited to engage in the act, or both.

"I heard Steve really had a good time last night."

"Yeah. He invited a real hunk over for musclesexing."

by UD-Friendly October 19, 2009

Muscle Car

A popular, and possibly one of the coolest toons to ever play Disney's Toontown Online. Muscle Car was a red bunny who commonly was seen in Nutty River, and Toon Valley. His toons were Muscle Car: 126 Laff. Muscle Car:123 Laff. He was also listed in the Top 10 list of most popular toons. He was a kick-ass player.

Man, Muscle Car is so cool.

by Xxbfmvpoison January 1, 2012

Love Muscle

An unfortunate nickname for a scrawny guy who doubles over and shudders uncontrollably when he laughs.

Robert, a.k.a. the love muscle, gets all red and begins to shudder like he is 'gasm-ing whenever I tell him that joke.

by JohnK May 22, 2005

illusion muscles

illusion muscles can be one of two things. one: illusion muscles are when a weak person looking person who looks like he doesnt have any muscles tenses his muscles and his muscles noticeably buldge from his skin, and this person is also quite strong.

the other form of illusion muscles is when, a strong looking person, with big muscles tenses and there is no visible change to his muscle size, this person is also fairly weak.

person 1: dude check out that guys arms he must be strong
person 2: hes not that strong, he just has illusion muscles

by the Duke of Mexico June 3, 2010

man-muscle

The muscle in the forearm that gets ripped as a result of jerking-off to often.

Damn!!!! Look at his arms! That boy spends to much time alone working on his man-muscles.

by hawkgal January 23, 2011

muscle head

A muscle head is someone who spends all their energy with their head in a book.

Muscle heads are the guys who you do not like in high school who end up making six figures after you graduate. Brain always wins over Brawn! You go muscleheads!
The musclehead stayed home from the party while we had fun.

by Bonnie Ryan August 17, 2006

Muscle Momma

A man who has more muscle than his friends, also known as a Gavin.

Hey Gavin, or should I say Muscle Momma

by sl;kdfja December 4, 2018