puffer
n.— «The youngsters, a 15-year-old boy and a 13-year-old girl, were arrested Friday in a traffic stop and accused of stealing a “puffer”—a car left running on a cold morning to warm up.» —“Cars Left Running Easy Prey For Thieves Police Say Don’t Leave Keys In Car’s Ignition” by Kevin Vaughan Rocky Mountain News (Denver, Colo.) Dec. 19, 2000. (source: Double-Tongued Dictionary)
Further reading
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