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

In The Trunk

1. Being stupid or having one of those "dumb" moments Can I have 1 million dollars? - IN THE TRUNK! What's my name again? ..

Omasti

1. OMasti is a popular desi chatroom on Meebo. Where thousands of people chat daily. It's the best desi chatroom on the net. See omas..

Elevator Butt

1. When a girl slowly raises her ass while lying on her stomach. Cats are often known to also do this. Man, I was banging the shit out of..

All you need for a faster workflow in one place.

Sin Muscle Edit Meaning