molesterbating 

molesting yourself or someone else while masturbating

1) dude george is molesterbating trae
2) trae molsterbates himself too much

molesterbating by piznitch November 6, 2003

Mooseterbating 

The act of jerking off, except you are a moose.

Person 1: Dude, do you see that moose?
Person 2: Bruhhhhhhh, is it Mooseterbating???

Mooseterbating by LooseYolky January 15, 2017

molesterbation 

To forcefully go fuck yourself against your own will.

Holy shit, Marston! Why must you engage in acts of molesterbation?

molesterbation by czainsaw July 16, 2008

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

Moosterbating 

When a cow masterbates

Oh my god! look over there! That cow is Moosterbating

Moosterbating by A wee british laddy March 27, 2019