Masterjacking

To masturbate and jack off at the same time.

Justice: What did you do last night: Masturbate or Jack off?

Trey:Both, I was masterjacking all last night

by syntaxerrrror March 4, 2009

Masterwanking

When you have that sudden urge to masterbate. But when you do you get that horrible side-effect of a wank stain on the carpet. ew

someperson: DAMNIT
someotherperson:what happened?
somperson: I was masterwanking and I now need new bed sheets. *frowns*

by sakade March 15, 2010

Masteryacking

The act of masterbating while kayaking.

Yesterday, my brother was masteryacking on the lake.

by masteryacker October 27, 2011

mastertasking

to do something unrelated while masturbating.

Jeff Simmonds likes to masturbate to porn while listening to basketball. He is mastertasking

by CrankMonkey August 1, 2012

Mastervaping

Vaporizing while in bed or on something comfortable.

Eric: "Cam are you mastervaping again?"
Cam: "Why yes I am."

by Aceof24 December 1, 2013

Extreme masterbating

When you have jerked it so long that it wil pop a boner for the rest of your life.

My dad did a ''Extreme masterbating'' yesterday

by WKalas December 29, 2016

Mastercating

The act of slapping a body part to sound like you are masterbating.

Guy 1: ( Clap Clap Clap Clap )
Guy 2: Dude what are u doing?!?!?
Guy 1: Dude it's okay im just mastercating!
Guy 2: Masterbating!?!?
Guy 1: No no Mastercating! Im just pretending to masterbate.

by Big Pimpin69 November 3, 2011