masterbating

Expertly jacking off.

Guy 1:Man, I think steve's masturbating again.
Guy 2: From the sound of it, he ain't just masturbating, he's MASTERbating.

by Sir Fizwheel Humperdink October 5, 2007

mathematically masturbaiting

The act of masturbaiting while looking at numbers. You can do this during math class, maybe while doing some math homework.

Joe: yo, what's nick doing?

Kevin: oh he's just mathematically masturbaiting. He's just trying to get that problem solved.. If ya know what I'm saying ;)

by Idek what I'm doing November 23, 2015

stealth masterbating

When one wacks off as quietly as possible so as to not disturb the people in the same room.

Sam: I hope no one notices I am stealth masterbating
Girl friend: Sam ... are you wacking off!!!!
Sam: Oh Shit!

by themanwiththeplan9192 April 4, 2010

Masterbating Monkey

A primate creature who masterbates.

"Monkey Masterbation Spotting" has become a hobby in the South American State of illinois. A well known competitor in the sport of of Monkey Masterbation Spotting is Fred Phelps, a very vocal and fanatically religeous biggot.

The monkey wrapped his primate hand around his primate pink penis, and masterbated furiously untill he fell out of his tree. Fred Phelps watched in glee as he photographed the event so he could show the pictures to his family.

by Gordon Freeman October 31, 2004

masterbating

a common mispelling of the word "masturbating", which is the ING form of wordmasturbation

1337_g33k: Im masterbating to porn
Normal person: Good to know.

by Anonymous March 15, 2003

masterbating

when a guy gropes his penis thinking about a girl, and then shoots out the substance inside of the penis

one of my friends was really horny and so he masterbated and jizz came out...

by Master at sex May 13, 2005

masterpainting

When children masterbate at a young age, but they don't know what it's called, and so the teacher refers to it as 'masterpainting'

He's rubbing his boys on the carpet again...
He's masterpainting

by frisknock November 15, 2013