a contest in which drivers deliberately and repeatedly crash old cars into each other, on a racetrack or in an enclosed area, with the winner being the last vehicle still moving after all others have been disabled.
Informal. any event or circumstance having the chaotically destructive character of such a competition.
Origin of demolition derby
First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for demolition derby
mainly US and Canadian a competition in which contestants drive old cars into each other until there is only one car left running
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012