The only person more badass than Spiderman, Superman, David Hasselhoff, Megatron, Optimus Prime, Batman, Goku, 50 cent, and Ryu COMBINED.

And contrary to popular belief, he is also a mac-daddy pimp.
Master Chief-"I'm the shit"

Every1 in world-"we know!"

by Cy_Kill October 21, 2007
A mixed drink modeled specifically for gamers, namely those who play Halo and Halo 2. Made by combining Bacardi 151 and Mountain Dew. Great for late-night Halo 2 Live sessions. Also great for vomiting.
"Man, I keep getting my ass handed to me by some n00b, I had better have another Master Chief."
by Mr. Beef September 15, 2005
A pretty cool guy. Eh kills aliens and doesn't afraid of anything.
Master Chief works best with Arby.
by Cruis3 August 10, 2008
i think mastur ch33f are a pretty cool guy. he kills aliens and doesnt afraid of anything.
master chief is what comes out of a can of whoop ass
by Just Shut Up March 08, 2009
John, or Master Chief Petty Officer 3rd Class. (Spartan-117) is the main protagonist of the popular video game, Halo. he has many augmentations including, hight damage reduction, sight, and speed.
the master chief is one of the best video game characters of all time
by Chris000 July 17, 2006
The protagonist from the Halo Series by Bungie. He could totally kick you ass. And you know it.
Master Chief kicked the Flood's ASS in Halo 1, 2, and 3.
by Dayonic November 03, 2007
when a chick is sucking you off and you are about to finish you back up and run at her while jacking off and melee her w/ said cock and you shoot your load all over her for dramatic effect. Warning may only work on drunk girls, also spraining of the cock may occur when melee'ing bitches. have fun!!!
Sally is giving an awesome Blow J but you think she needs to be taken down a peg or two, so when you think your done you pull out run at her and while shooting said load onto face you melee her as hard as you can possibly trying to cum in mouth as well. master chief
by Jaron Huff December 11, 2007
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