a slang term for "nice", used interchangeably with "sweet" or "cool". Usually drawn out in speech and pronounced "n iiiiiii eeeeee"

Got the covid-19 vaccine

1. Often used as a narcissistic drone whilst speaking.

2. Often used while a smirk is present on the face, because a guy is with a girl
3. Often used whilst trying to argue, although the only word that comes out is "niii"
4. One "niii" can say a thousand words

another shorthand way to desribe our daunting kwanza proprietors.