Top Definition
Smoking so much weed, that you are prone to passing out.
Last night me and a buddy were totally Master Chiefing when we hit that bong.
by helllloooooo June 23, 2011

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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!
by BITTERwork April 23, 2011

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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Another Word for Masterbation.
"He was Master Chiefing it all afternoon."
by Bobby Bobbleston October 20, 2007

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Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt