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.

by Maudlin La An April 1, 2010

Monstrating

When women become monsters during the menstrual cycle

Claire started monstrating during her menstrual cycle and became a "monster".

by Luke Dunphey May 27, 2012

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.

by Jack Hambit April 2, 2011

masterbating with a cheese grater

Doing a task that is not a good idea

Moving this piano without help is like masterbating with a cheese grater.

by matt1975 September 10, 2012

masterbating

Expertly jacking off.

Guy 1:Man, I think steve's masturbating again.
Guy 2: From the sound of it, he ain't just masturbating, he's MASTERbating.

by Sir Fizwheel Humperdink October 5, 2007

monstruating

That time of the month when a woman turns into a monster for a few days. Everyone should avoid her at this time or pay the price.

Jim: "What's wrong with Jill? She just about bit my head off after I said good morning!!"
Joe: "Beware of her because it's that time of the month when she's monstruating"

by CoDoc June 17, 2014

consterbating

The act of or fulfilling one's own desire to forcefully withdrawal a brown dragon while playfully caressing the penile shaft.

Anthony: So, you think John's consterbating in there??
Dustin: Smells like it.
Anthony: Well, it can't be too painful, he's got a porn mag in his hand.

by John's mother April 2, 2007