thrasterbating 

The act of aggressively masturbating, usually from anger. Combines the words thrashing and masturbating.

Sterling is thrasterbating.

thrasterbating by sterlingd February 8, 2010

trashturbate 

The act of masturbation to 'dumpster porn'.

I caught my friend trashturbating to the Playboy I threw out yesterday.

I never trashturbate, I use real porn.

trashturbate by Mr. Sneakers October 7, 2009

Thrashturbation 

The act of masturbation enhanced by the pleasure of throwing yourself into walls, down stairs, through plate glass windows while maintaining a steady cadence.

After three hours of hard thrashturbation last night, I realized that I had ruptured my sister's larynx

Thrashturbation by Brian McCain March 13, 2007

thrashturbate

The act of simultaneously masturbating and hardcore dancing.

"Holy fucking shit, this Throwdown is so good."
"Yeah it makes me so hard it's scary."
"Let's thrashturbate, Bro."
"Isn't it gay if we do it together?"
"NO IT'S FUCKING HARDCORE!"

thrashturbate by KNIFEFACE March 1, 2007