Mastrawank 

When you take your penis and jack it off all over the place

I mastrawank 3 times a day

Mastrawank by D Flawless November 14, 2019

Masturwank 

To masturbate furiously with both hands.

Chad liked to masturwank to the thought of Taylor Swift.

Masturwank by BibblySue April 28, 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