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

W0t Tha F0x

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ün Reichtärg

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Fuck A Duck In The Titturd

1. when you get pissed off at something that happened fuck a duck in the titturd i missplaced my car keys fuck a duck in the titturd i mi..

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Sin Muscle Edit Meaning