Masterkey

A door-breaching shotgun manufactured as a custom part by Knight's Armament Company. Can be mounted under the barrel on a M4 or M16 assault rifle, like a M203 grenade launcher.

The Masterkey project was initiated during the 1980s to provide assault rifles with a potent built-in door breaching tool.

Masterkey by Kaiveran January 18, 2009

Masterkey

The Masterkey is a combination weapon featuring an M4 attached to a Winchester 12 gauge shotgun. It is named Masterkey for its common use as a door remover.

Have a locked door? Not anymore.

Masterkey by Detranova July 29, 2003

master key 

a drink that is a mixture of red wine and orange soda

i was sippin on that master key last night. It opens all the doors.

master key by themasterkey December 29, 2010

mastercry 

The process of masturbating well one is crying. Quite possibly the most pathetic act ever.

Tim mastercried himself to sleep after another night of parental abuse.

mastercry by Bagel June 1, 2004

Masterbeast 

To masterbeast is:

1) To play alone in a multiplayer game by yourself because your friends don't want to play with you.

or

2) To be a badass when the rest of your team is down and out.

1) Yesterday I was masterbeasting because you guys didn't want to play with me.

2) Damn all you fools suck, I had to masterbeast for us to get through the last round.

Masterbeast by THE ON3 November 2, 2011

masterdebate 

Masterdebater (noun) - Another name for really good debaters. Not to be confused with "masterbater," although since most debaters are weird, nerds, and freaks, many of them are also masterbaters.

Andrew: hey alec - i masterdebated for 2 hours last night!

Alec: wow, i masturbated with my rabbit for 4 hours last night!

Andrew: what the fuck?!

masterdebate by Wonster April 29, 2007

masterfece 

n. a particularly large or shapely piece of poop.

"Did you see what I dropped off earlier today? Man, I tell you what, it was a masterfece."

masterfece by gsehtpseigsh July 3, 2005