Masturcising 

The act of masturbating while on a piece of exercise equipment.

Instead of running on his treadmill, he likes to stand on it and jerkoff. He's totally into masturcising but he won't get fit or lose weight that way!

Masturcising by Workout November 11, 2011

mastercrying 

The act of crying and masterbating simultaneously.

I am a lonely loser, every night you will find me in my room mastercrying myself to sleep.

mastercrying by ChiChi1984 November 6, 2011

Masturjaying 

When a cougar masturbates to fantasies of having STFU Sex with jay.

-Phone Rings.
Girl 1: I'll call you back, I'm masturjaying.
Girl 2: You mean masturbating?
Girl 1: No, like, Jay is my master. The ruler of my domain.

or

"Oh damn I'm horny, wait till i get home, I'm going to masturjay all night"

or

"Let's have phone sex"
"Okay, you could listen to me while I masturjay"

Masturjaying by Cougarlicious July 1, 2008

masturcising 

Masturcising is a form of exercise in which the person only masturbates instead of a more traditional form of exercise such as running.

"Alex put on his workout clothes and hit his bedroom for some masturcising."

masturcising by Koolaide Man February 12, 2010