Ass muscle 

The muscle in the butt used as in insult towards someone acting dumb.

Person1:Hey wanna get some beer?
Person2:You're old enough to drink?!
Person1:I'm23 ass muscle.

Ass muscle by what's_a_pseudonym? January 11, 2010

No Muscle Ass Bitch 

Somebody whose incapable of building muscle.
A cunt that's trashing everybody online and is a skinny piece of shit.

Fuck you, you no muscle ass bitch!

No Muscle Ass Bitch by Roided Beast March 16, 2018

skibidi sigma ohio level 5 gy'att with the literal goat sauce so lookxxmax ohio rizz so muscle daddy in ohio only in ohio uncle giggled my ass when i was five 

a level five chad with rizz from ohio

person 1: Yo are you sigma skibidi? i heard you were!
person 2: Nahh but Mathias is a lskibidi sigma ohio level 5 gy'att with the literal goat sauce so lookxxmax ohio rizz so muscle daddy in ohio only in ohio uncle giggled my ass when i was five.

skibidi sigma ohio level 5 gy'att with the literal goat sauce so lookxxmax ohio rizz so muscle daddy in ohio only in ohio uncle giggled my ass when i was five by penisslikker January 2, 2024