Definitions by Wankyshitdemon

Dumpsturbate 

The act of shitting on a pillow and then enclosing your member in the pillow and thrusting wildly.

Geoff: "I had a cracking dumpsturbate last night."
Steve: "Sum the experience up in less than three words."
Geoff: "Spunky shitty disappointment."

Dumpsturbate by Wankyshitdemon March 2, 2014