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2.
Verb: The act of using all the surfaces and utensils in a room (usually the kitchen).
A: There are no more clean knifes in the kitchen.
B: Oh, yeah, I made a cake earlier and totally neished the kitchen, sorry.
by bigguns78 October 31, 2012
 
1.
Adj. - Used in situations where nice just isn't enough, a compliment of the highest quality.
"You look so neish today"
by trippynigga2050 November 07, 2012
 
3.
Exaggerates beyond normality.
What? That never happened your such a Neish.
by AlexandriaTheBest September 16, 2007