Actively behaving like, or possessing the qualities of, a jack ass.
Guy 1: So what did you do last night?
Guy 2: You know, got drunk, acted inappropriate, pissed in public...the usual jack assery.
by The Dutch Rudder February 26, 2009

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Anything relating to being a jackass. Can be used in many different ways.
I'm sick of hanging around and just being involved in your jackassery.
by I made this word up years ago! August 04, 2005

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.

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