flapper
n.β Β«In the early 1930s he sold his shares and paid Β£24,000 for an unlicensed dog trackβa “flapper,” as they are calledβupon whose land Walthamstow was built.Β» ββThe last days of Walthamstow Stadium” by Laura Thompson The Observer (United Kingdom) July 27, 2008. (source: Double-Tongued Dictionary)