Fidget Spinner Masterbation

When you lube up your genitals and then take out the middle bearing of a Fidget Spinner then slide it onto your genitals and spin it until you cum.

I'm gonna go do some Fidget Spinner Masterbation..

by Salmon_Slapper May 24, 2017

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.

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.

by TheProfessor42069 October 14, 2011

musterbation

A term coined by Albert Ellis to describe the tendency to think that certain things "must" occur or "must" be done.

Other forms: musterbate, musterbated, musterbating

Janice was musterbating about getting an A in every course.

The only acceptable musterbation is to believe that one must not musterbate.

by TheLastPunslinger May 15, 2005

mooseterbation

when you start to masterbate at 12:07 and 43 sec a.m. while watching Animal Planet in your Aunt's bedroom.

Dude 1: Dude last night's mooseterbation lasted for 3 hours straight last night
Dude 2: Was it good?
Dude 1: Heck Yes
Trisha: Sick freaks

by shawn..do..me..now... December 28, 2005

Mirror Masterbation

The act of masterbating to your own reflection.

Tom: I'm so hot I'd masterbate to myself.

Bill: You what?

Tom: Ever heard of Mirror Masterbation?

Bill: No... That sounds nasty.

by Flawless23 April 21, 2011

female masterbation

The self-stimulation of female genitals. See flicking the bean

by Big Simes January 22, 2003