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

Red Team

1. A term used to identify a female who is menstruating. "Man, this sucks, my girl's on the Red Team this week." See perio..

Uber Alice

1. Specialist form of Tutonic Bukkake, filmed with a very obliging frau. Helga is a dirty scrubber, and likes nothing better than to star ..

Hell To Pay

1. In the days of sailing ships "hell" was the term for the bottom of the boat; the hottest, dankest, smelliest area. To "p..

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Sin Muscle Edit Meaning