Nissa Himself's definitions
Nissin, commonly known as the antonym for the word jyne is anything with a negative connotation. Someone hating on you? They are a nisser, or more informally a "nissa". If you just feel something sketchy about someone, you are getting some niss vibes. When haters talk shit, they be nissin' on you.
by Nissa Himself August 7, 2011
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