The abbreviation of 'nice one'. It rhymes with the 'boing' cartoon sound of a spring, or also possibly the cartoon sound of someone getting a boner.
a: My girl broke up with me yesterday...
b: That's too bad..
a: But her sister called me right after and asked me out!
b: Nione!
by vane-san March 01, 2007

11 Words Related to nione

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