Noun: To be substituted for "bridesmaid" in the expression "Always a bridesmaid and never a bride." Use is limited to a reference to sports, sport hobby, or dating.
That Tony and Rico guys, they're always Bonaccis and never a bride in our fantasy football league.
by Truant January 13, 2004
5 Words related to Bonacci
Comes from the latin word: Corvettus Championicus StarWarsChumpus
A Bonacci triangle has two equal length sides.
by Philip C. Samaro January 14, 2004
(v) The act of utterly failing something.
Duuude.

What's wrong?

I totally Bonacci'd that last date. I'm certainly not getting a second chance.
by Daffaka #2 October 21, 2009

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