pasture puff
n.—Gloss: a horse or other animal that has been retired from a working life. «I’d rather not go the injection route in a horse his age. His best days are behind him, and now he’s just a pasture puff. I just want him to be a happy pasture puff.» —“Favorite Joint supplement?” by kim in Ohio Exracers.com Forums Aug. 28, 2007. (source: Double-Tongued Dictionary)
Further reading
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