1) a person who is not clean;
2) someone who doesnt have money; a bum;
3) lower class
Eewe, that girl is so neesty. she should probably shower.
by adrianna nichole October 31, 2006

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Top Definition
A slang term for "nasty". When one tries to enunciate "nasty" with a lame accent it may be mistaken for "nehsty" which has been changed to "neesty" to avoid any change in enunciation no matter what accent one may have; One who is "nasty" at something, metaphorically speaking.
Pat: Yo, Chad!

Chad: Sup?

Pat: ........you're neesty you're neesty!

Chad: Y-Yeah i know..
by DubstepLyrics September 20, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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Lotsa space for your liquids.

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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).

Buy the t-shirt