Sin Muscle

What is Sin Muscle?

the muscle in the forearm which is used to masturbate (jack off)

Laura: Nice sin muscles! Haha!

Anthony: How do you know they're not from doing jazz hands!

See sin, muscle, forearm, masturbate, up, down, movement, jack, off

Jatz

1. Jatz: To abruptly leave an area. That bitch is corn, I got to jatz. My brain was jatzing all over the place when I took special K. Du..

Ionescu

1. when you hook up with a guy in some other random girl's bed i "ionescued" in kelsey's bed last night. See hook up,..

W'ever

1. A conjunction of the words "what" and "ever" Normally used when you disagree with someone. Whatcha need? Going to..

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Sin Muscle Edit Meaning