monksterbate 

When monks congregate and circle jerk while chanting to Bjork songs.

Damn, those monks sure like to monksterbate to Bjork songs.

monksterbate by Alabastor Jones November 25, 2007

Monsterbate 

1. To masturbate in an intense and/or earth-shattering manner.

2. The form of masturbation someone monsterous in personality or appearance exclusively utilizes.

3. An actual monster's masturbation.

"He doesn't simply masturbate to Angelina Jolie, he MONSTERbates to her."

"The Undertaker is only capable of monsterbation - masturbation for him is out of the question."

"Cookie Monster has been known to monsterbate off the SCENT of a cookie alone."

Monsterbate by Jeanette M. April 2, 2008

Monsterbation 

1. The act of masturbating under another's bed/ in their closet then scaring them.

2. The act of masturbating to a monster character(s).

3. To dress up like a monster and then proceed to masturbate.

1. Charlie pranked his roommate Doug by way of monsterbation but felt embarrassed when he realized that he had scared Doug's girlfriend.

2. Charlie has a monster fetish and has been caught in the act of monsterbation.

3. After a night of failed attempts with women on halloween, Charlie decided monsterbation in his zombie costume was the only way he'd get some.

Monsterbation by m.fucci November 5, 2009

monsterbation 

The act of masturbating while going "RAAAAAAWWWRRR!" Like a monster/dinosaur

Max decided to experiment with monsterbation, but the noise made his mom come to his room, and discover what he was doing.

monsterbation by Maudlin La An April 1, 2010

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