Smasterbate 

To masterbate while being drunk

Tone smasterbated after he drank too much last night because his girlfriend wasnt around.

Smasterbate by Bigpoon24 August 29, 2012

shasturbate 

The act of masturbating while defecating.

I was in such a rush this morning that I was forced to shasturbate,.

shasturbate by vink pink February 10, 2005

masterbate 

To masturbate like a master

I masterbated really well yesterday.

masterbate by ‮ekil skool ti tahw t'nsi sihT January 12, 2022

Masterbaterium 

A room build or allocated for the sole purpose of spanking yer love hose, wanking in general or having a wankparty. Usually painted an off yellow colour and containing a sink and towels.

I will be back in a moment Im just going to polish my bishop in the Masterbaterium. Good boy, make sure you use the wanklock on the door.

Masterbaterium by DrLoveNuts July 25, 2007

shasterbate 

shitting while masterbating

person number 1: "oh wow Justin the football player, takes a long time in the bathroom"
person number 2: "hes probably masturbating while he shits"
person number 1: "haha, Justin shasterbates"
person number 2: "hahahaha thats clever. shasterbate!"

shasterbate by shexcelent December 1, 2009

masterbate 

how dumb people spell "masturbate"

i gotsta ta go masterbate rihgt no!

masterbate by meh July 1, 2003

Masterbate 

Masturbation for professionals.

"You spelled masturbate wrong."
"Your masturbation is only amateur. When you do it as much as me it becomes masterbate."

Masterbate by Niladen September 3, 2013