Definitions by Mr. Theado

Sack Shift 

If you look closely at your testicular pouch for just a few minutes you will notice subtle movement of the skin your not in control of. Must be done sitting or laying down.

Employee: Sir, you have to leave the movie theater
Me: Shut up! I'm trying to watch my sack shift

Sack Shift by Mr. Theado June 19, 2016