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

Qwooer

1. The sound that scene kids make when they take myspace sign pictas. Scene Kid 1 :(Taking myspace pictures with a paper sign full of colo..

Vilnius Brigade

1. A major crime syndicate in the Baltic nations, based in Vilnius, Lithuania. Want some Lithuanian love brides? Call your local Vilnius ..

Penis-weasel

1. a person who willingly dicks you over for the sake of their own genetalia. "Hey i saw john making out with you're girlfriend!..

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Sin Muscle Edit Meaning