Master Chiefing 

Another Word for Masterbation.

"He was Master Chiefing it all afternoon."

Master Chiefing by Bobby Bobbleston November 5, 2007

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

Masterchiefing 

Verb; When one breaks up his or her weed on the case of any game in the Halo series. i.e. Halo, Halo 2, Halo 3, etc.

DOOOOOOODE, we totally broke up some DANK ASS SHIT on Halo 3 last night and we were Masterchiefing the fuck out of it!

Masterchiefing by BITTERwork May 14, 2011

masterchief1717 

A man who has the best in anime and manga, and will never miss in his life

Guy1- ong it’s masterchief1717

Guy2- you mean god?

masterchief1717 by masterchief1717 April 7, 2021

masterchiefpuju 

One of the best players in the games halo and modern warfare series.

Damn masterchiefpuju is crazy he just sniped that dude out of a moving ghost.

Masterchiefpuju is the masterchief.

Masterchiefpuju must suck at call of duty..... wait never mind he killed me.

masterchiefpuju by Solankill November 27, 2011