Sin Muscle

What is Sin Muscle?


1.

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


96

Random Words:

1. When a small amount of marijuana, such as a bowl, lasts much longer then expected. Dude this bowl has gone around the circle like, eigh..
1. The hair that grows around the anus. Fuck! I got shit in my poobs! 2. The hair on your ass, the word stems from the word, "puebs..
1. Knee-jerk thinkers, politicians and other individuals of the far left who tend to (a) believe force is never an answer, (b) talk about p..