stooper n. at a race track, a person who picks up discarded bet tickets in search of those which represent unclaimed winnings. (source: Double-Tongued Dictionary)
Further reading
Funny cat videos and cute online photos inspire equally adorable slang terms we use to talk about them. • Also, when a salamander is not a salamander, the story of an Italian term for a dish towel used halfway across the world, Bozo buttons...
Why do we use the word heat to denote a preliminary qualifying race? Hundreds of years ago, a single instance of heating something such as a piece of metal over a fire for metalworking was called a heat. Later that term was applied to “a round...