someone who has indulged in too many drugs causing their jaw to swing side to side, possible grinding involved.
fuck, dangerous dan just did a hollywood line in the bathroom and is jaw-jackin like a motherfucker. i.e. jaw-jacker
by avandalis March 02, 2006

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Top Definition
a person that never shuts the fuck up
John is such a jaw-jacker.
by pabs December 21, 2003

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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