Top Definition
Extremely Nutz Kine or Hella tight.

(Needs to be "Extremely" or "Hella" in order for it to be "Jackmaster")
Jareds sick score with all those bitches was totally "Jackmaster"!!!!!
by Jackmaster3000 March 17, 2009

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a person who can jack mad things like weed papers and blunt raps and dip and fuckin mad munchies
james nettnay is the jackmaster but kevin w**d is not
by james nettizle November 23, 2006

The Urban Dictionary Mug

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.

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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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a person who can jack anything like b wraps and j papers and condoms and james' girlfriends
kevin wood is the jackmaster
by kevin dubs February 19, 2007

The Urban Dictionary Mug

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