Masteryacking 

The act of masterbating while kayaking.

Yesterday, my brother was masteryacking on the lake.

Masteryacking by masteryacker October 27, 2011

masturjacking 

Masturbation in an extreme sense.

He was perched up on the sink like a monkey, bent over and masturjacking like there was no tomorrow.

masturjacking by Eiden December 1, 2003

Masterbaking 

masterbaking,
pretty much self explanitary.
.. masters of baking..

so what are you doing ?
- masterbaking
masterbating, who the hell masterbates in fruit filled muffins !?
- masterBAKING mom, it's for the master bakers.

Masterbaking by 922pmmjak November 3, 2008

Masterbaking 

To masterbate while in the process of smoking marijuana.

Johnny said: "Yo cuz, whered you go last night?" Darvin replied: "After seeing 2 girls make out, I had to run inside to roll a joint and start masterbaking to calm down." Johnny replied: "Damn"

Masterbaking by DusanMandic08 October 13, 2011

masterfuckingbate 

When you masterbate with such passion and thrust that you are taking off like a fucking rocket.

Today, I masterfuckingbated to Maria Tara Ryabushkina’s lesbian adventures. God!, she is so fucking hot!

masterfuckingbate by Bad C dev October 7, 2021

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

Masterjacking 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*

Masterwanking by sakade March 15, 2010