stink thumb

When you reach around to jerk yourself off and you accidentally give your asshole the thumbs up

Smell that? Thats stink thumb

by garygohome September 20, 2013

Mississippi Stink Thumb

A variation of the shocker. However, instead of using the pinky finger for the anus, using the thumb.

I showed her some southern hospitality when I gave her the Mississippi stink thumb.

by The Wobbly H Pirate February 09, 2005