Mindsterbating 

The act of masterbating without using any masterbatory aids such as pronography.

Friend 1- Why didnt you answer your phone?

Friend 2- Sorry, I was mindsterbating to the memory of those two chicks kissing at the party lastnight.

Friend 1- You're pathetic.

Mindsterbating by Jack Hambit April 2, 2011

criminal mindsturbating

Being so aroused by the characters, events, or interactions on Criminal Minds that your body brings itself to climax of its own accord.

Mom: Honey I heard shouts from your room last Wednesday at 9/8c.
Daughter: Oh don't worry mom I was just criminal mindsturbating.

criminal mindsturbating by katiedahmer February 22, 2011

misterbating 

Masturbating to the thought of an older male that you refer to as "Mister"

She got caught misterbating about her professor during class

misterbating by raujero December 7, 2016

munsterbating 

Munsterbating: beating your meat or plugging your hole whilst watching horror movies, Svengouli, Elvira etc.

I caught my uncle fester munsterbating to the casper movie -

munsterbating by fdrogmank March 6, 2011

Monsterbating 

to pleasure yourself while drinking a Monster energy drink.

Igor seems hyper and distracted, he must be monsterbating.

Monsterbating by Tayvi February 4, 2010

Monsterbating 

When you jerk off so hard that its scary but it feels so good that you wanna squirt EVERYWHERE!

To being jerked off really hard and vigorously.

Honey! Why are you jerking off so hardddd!

Oh don't worry honey, I'm only monsterbating it doesn't hurt.

Monsterbating by Kajur April 2, 2013

Monsterbating 

The act of masturbating under one's bed or in one's closet with the intent to frighten.

Greg was scared shitless when he found Aaron monsterbating in his closet at 3 am.

Monsterbating by TheProfessor42069 October 14, 2011