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1.
Noun. In horse racing, a horse that regularly shows or places, but fails to win. A horse you can't ignore, but yet can't seem to find the winners circle.
(1) L’enchanteresse in Santa Aintia race 4 on Saturday is definately a plusser.

(2) I lost money on Nehro last year. I thought he was a winner, turns out he's only a plusser.
by Gopher1177 January 06, 2012