Definitions by GHR 2011

Mudtipping 

To use fecal matter as lubrication for masturbation. (Coined by the legendary one and only, Mister PeePee, on the Glory Hole Radio podcast.)

Mister PeePee was getting chaffed from jerking off dry, so he decided to try mudtipping.

Mudtipping by GHR 2011 May 20, 2011