The most kick-ass person in the whole fucking world,
Omg Master Chief is a fuckin' rapist!
by teh h4x0rz!!1! July 28, 2008
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A heavy smoker, able to hit and clear a bong all at once.
I am Master Chief!
by Loganbuuullshit October 20, 2010
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Playing Halo, getting a blowjob, while smoking a blunt.
Dude, last night my girlfriend surprised me with a Master Chief.
by M3TALxSLUG August 23, 2012
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Cheech: Hey man, you should light that subpoena up, dude.
Chong: No man, I'm gonna use it as a Master Chief.
by Urbanium January 19, 2010
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1. A rank in the Navy

2. The protagonist of most of the Halo series, with that rank.
by yeltsA kciR June 2, 2021
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The biggest badass of all time. He could kick anyone's ass no matter where he goes and he fucks. Greatest badass of ANY video game or video game franchise.
by PencilsRWeed April 24, 2020
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