Socket Wrench
To finger a person's vaginal or anal oriface(s) with a general left to right, back and forth, twisting motion as if one was tightening a bolt or nut with a socket wrench. Ideally performed with two to three fingers however and aggressive socket wrencher could perform said act with the entire hand and fist.
Socket Wrench by Eaton Holgoode January 12, 2016
Get the Socket Wrench mug.