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

Dudeage

1. Of or pertaining to a dude, or dude accessories. So, man, there's this dude from Cali. He's a surfer and bear hunter. His d..

Gasta

1. wen sum one is gna go or has to go ''yo man u cumin tonight?'' ''na man gasta go out wiv ma mum'&ap..

Is A Lot Like Jin'do

1. When comparing an activity to something completely different. When making fun of someone that just made a poor analogy. When poking fun ..

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Sin Muscle Edit Meaning