flapper
n.— «In the early 1930s he sold his shares and paid £24,000 for an unlicensed dog track—a “flapper,” as they are called—upon whose land Walthamstow was built.» —“The last days of Walthamstow Stadium” by Laura Thompson The Observer (United Kingdom) July 27, 2008. (source: Double-Tongued Dictionary)
Further reading
A mixed-breed dog is sometimes called a bitsa, as in it’s made from “bits of this and bits of that.” This is part of a complete episode. Transcript of “A “Bitsa” Dog is Bits of This and Bits of That of that”” You know, we were talking...
Critters, co-workers, and clothes: What do you call your favorite mixed-breed dog? There are Heinz 57 mutts and Texas brown dogs in the U.S., while in parts of the Caribbean they’re called potcakes and coconut retrievers. Plus, among firefighters...