masterchain 

A masterchain is four or more men fucking in a chain. The leader is known as the choochoo and the guy at the end is known as the coal cart

Erez, James, Ranman and Eirik were perticipating in a brutal masterchain. Erez was the coal cart and Eirik was the choochoo

masterchain by Fernandes April 16, 2004

masterchief 

a dude on the halo series

OMG its masterchief!!! were safe now!!!

masterchief by roflcopterasaurus October 14, 2009

Masterchief 

The most badass character in the Halo series.

"We've all run the simulations, they're tough, but they ain't invincible. Stay with the Masterchief, he'll know what to do.

Masterchief by Arori4 August 24, 2010

masterhatin 

The act of being cock-blocked, but while you're masterbating.

Guy 1: So I was yanking it real good last night, and my mom walked in. She kept on talking and wouldn't let me finish for at least a half hour.
Guy 2: Wow, she was masterhatin on you.

masterhatin by aablmd82 July 9, 2010

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

Masterchillin 

masturbating while doing something else (such as playing video games, watching regular t.v., or im-ing)

i was totally masterchillin in that halo game last night!

Masterchillin by john bowendil March 17, 2008

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

masterpainting by frisknock November 15, 2013