dumpsterbate 

Beating off while sitting on the toilet taking a shit, usually done to save time.

hold on, I need to go dumpsterbate

dumpsterbate by Doctor Frog January 16, 2008

Dumpsterbating 

The act of turning on the shower, then proceeded by sitting on the toilet and mastuerbating

"What we're you doing in the bathroom that took you like 2 hours?" "Dumpsterbating"

Dumpsterbating by Motodylan January 18, 2015

dumpsturbation 

The act of pleasuring ones self (masturbation) whilst defecating (taking a shit).

Al had a dumpsturbation session on his lunch break....

dumpsturbation by Scottie2hottie82 October 1, 2010

humpsterbate 

the act of keeping your hand stationed in a still circular pose around your cock while he thrusts his hips forward, providing the same hip motion as sexual intercourse.

Rod The Bod found he ejaculated quicker whilst humpsterbating

humpsterbate by ryan December 1, 2004

dumpsterware

Possessions (home furnishings, electronics, clothing, etc.) obtained through dumpster diving, typically characterized by out of date styles and/or obsolete technology.

Most of my furniture is dumpsterware.

dumpsterware by Unninja March 27, 2009

dumperbate 

to defecate and then masturbate into a toilet bowl.

Worked sucked today until I dumperbated then I felt like roses.

dumperbate by jaywix May 17, 2009

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