When you get so spasticated you end up half naked throwing up over yourself and your surroundings, previously known as Wheatleyed.
Last night I got so Nieshed I can't believe I got in such a state!
by Oh jesaz Christ July 31, 2017
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Another word meaning "Nice" It's a Oakland Holy Names thing...
"OH THAT BOY is looking soooo niesh!"
by Livstas February 17, 2006
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