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

Propagannon

1. The news reports of a republican right-wing, gay, male prostitute - shill - with 2 days of journalism school, delivered with a White Ho..

Zgeg

1. really it means dick, in french slang t'est trop un zgeg toi, t'est assui con que mon chien. ( you really are a dick, your..

Zygous

1. A word to express your feelings in relation to the specific situation that you are in. The word can be either positive or negative depen..

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Sin Muscle Edit Meaning