caught masturbating 

The act of being discovered while you are masturbating. This usually leads to pure humiliation, especially if the discoverer is a celebrity.

"Chase Rodrigue masturbated in his mom's truck when she went out to buy some groceries. However, our local weatherman caught him masturbating."

caught masturbating by Rob. February 2, 2003

poop while masturbating 

A spuce is masturbation while taking a shit.

Man, you ever poop while masturbating? Got water splashed on my balls, totally ruined my spuce.

poop while masturbating by TomatoKid November 17, 2013

masturbating

What you were probably doing a few moments ago.

Joe: Whatcha doing?
Jimmy: Masturbating.
Joe: Cool, me too.

masturbating by Chuck Norris' son February 7, 2009

Masturbating Monkey

When a monkey in the forest or at the zoo get's a erection and grabs his penis and starts to jack off like a car piston and starts shooting sperm all over the place, then he goes "HOOO OHHH AAAAAAAAAAAAAHHHHH HOO HO HOO!!!!" when the male monkey starts to think oh the female monkeys. and sperm starts to land on you and you child.

Child: mommy, WTF IS THAT BLACK MONKEY DOING?!?
Mom: Don't be racist!!! He's just a masturbating monkey

Doctor: hey Steve, that monkey seems to be masturbating?
Steve: I think he is, we should test his heart rate to make sure it's safe for the masturbating monkey.
Steve: ok... WHAT?! IT'S OVER 9000!!!!!!

Masturbating Monkey by theaveragejoe33 October 27, 2010

Masturbating Muscle 

The muscle you develop between your forearm and bicep on the arm of the hand you masturbate with.

John: Hey broski, wanna hang tonight?

Joe: Ehh... I dunno, I was really gonna work on toning my masturbating muscle tonight.

John: Oh.. I getcha, I worked on it last night.

Masturbating Muscle by aaronthejoo May 11, 2011

Masturbating Sally 

Sexual gratification derived from watching a female masturbate with a lisp.

"Do you like it when I touch my puthy?"
"You're such a Masturbating Sally"

Masturbating Sally by Ron Raper January 30, 2017

fat masturbating cow 

a girl that has an oval butt and is cow like

omg leah is such a fat masturbating cow.

fat masturbating cow by Matilda111 December 1, 2010