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

Juice Day

1. A "Juice Day" or "Juice morning" when hungover or otherwise, is when you drink juice all day as it is more sustainin..

Hunny Bunny

1. The girl I love more than anything or anyone in the world. I would give the world if I could. She is the one I think of in the morning w..

W.t.f.g.a.s.c.i.d.g.a.s.

1. an acronym for Who The Fuck Gives A Shit Cause I Don't Give A Shit. Him: Damn! did that bitch just fall down the steps? Me: Man! ..

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Sin Muscle Edit Meaning