bullet
n.— «The man said he used a “bullet”—horse racing parlance for using only one horse in a race—on one horse, Jewel of the Year, in the fourth leg.» —“Bettor wins $1.3 million at P.B. Kennel Club” by Craig Dolch in West Palm Beach, Fla. Palm Beach Post (Florida) May 21, 2004. (source: Double-Tongued Dictionary)
Further reading
Carmen in Jacksonville, Florida, was told she was pretty as a speck of puff. The more common simile is pretty as a speckled pup or cute as a speckled pup. This is part of a complete episode.
Related
The Oldsmobile car was introduced in 1897, and shortly thereafter people began using the term oatsmobile or hay-burning oatsmobile to mean “horse.” OATS is also an acronym for Older Adult Transportation System. This is part of a complete...