rat-racing
n.— «The Mansfield Thunderbirds model plane club expects to send about 20 members to compete in stunt and rat-racing events to be sponsored in Cleveland May 7 by the Cleveland Stunt Men.» —“Model Club to Compete” Mansfield News-Journal (Ohio) Apr. 15, 1961. (source: Double-Tongued Dictionary)
Further reading
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There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...