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

Kenhead

1. When a girl slicks her hair back into a ponytail so tight that it looks as if it's been plastered on...hence attaining "kenhea..

'a' Hole

1. just like ass-hole, only when said this way it is far more fashionable and will most likely make you feel kool (lmao i actuali use this ..

Qsr

1. Abbreviation for Quick Service Restaurant, the modern PC way to say Fast FoodRestaurant. Instead of being seated at a table, placing yo..

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Sin Muscle Edit Meaning