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

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Cabelas

1. store that sells all your outdoor necessities redneck walmart I had my wedding with my cousin at Cabelas Cabelas smells See store, o..

I.v.

1. Isla Vista, the place where all the mad partygoers from UCSB (University of Casual Sex and Beer) go to get drunk off their asses, smoke ..

Sin Muscle Edit Meaning