bucket baby
n.— «A couple of breeders I know have successfully used this drug this year on mares that were pastured on infected fescue fields, and all produced milk within 72 hours of initial dosage. They had no bucket babies at all, for the first time in several years!» —“Re: Expecting Mare Not Producing Milk” by Nancy Smith Usenet: rec.equestrian June 20, 1996. (source: Double-Tongued Dictionary)