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

W.g.s

1. 1. White Girl Syndrome 2. Acting Like A white girl like if your man is cheating on you and you ask your self "what did i do wrong..

Bog Standard

1. adj. Completely, utterly, absolutely ordinary in every way. British slang. "Dave drives a totally bog standard Escort. Not even ai..

Fwih

1. From What I Hear Used in texting and instant messaging. Dude: She's preggo Girl: Really? How do you know? Dude: FWIH. See from..

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Sin Muscle Edit Meaning