Monstertat

The tattoo that Rob Dyrdek got on his back of the Monster logo

Drama: I don't think you should get that Monstertat Rob
Rob: Why not?
Big Cat: Cuz it looks like a tramp stamp on steroids

by Braaaap Braaaaap Braaaaaaaaap December 8, 2010

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.

by m.fucci November 5, 2009

monsterating

When two or more women in a household are synchronized with their menstrual cycles.

I have to get out of the house this weekend. My wife and daughter are monsterating.

by jeff74008 May 28, 2012

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

Monsterbeast

A term used to describe some one whom with their great skill has defeated you. Also popularly used to describe the plus 4 card in UNO. Monsterbeast can also be used to describe the toughness of something.

A group of friends are playing Halo. Plex you monsterbeast!
Another example is a group of friends playing Uno. Hey man you got a crazy look in your eye. Why yes I do it's because I got a monsterbeast!

by Jonathon McElwain April 1, 2007

Monsterbating

to pleasure yourself while drinking a Monster energy drink.

Igor seems hyper and distracted, he must be 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.

by Kajur April 2, 2013