puffer
n.β Β«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”βa car left running on a cold morning to warm up.Β» ββCars Left Running Easy Prey For Thieves Police Say Donβt Leave Keys In Carβs Ignition” by Kevin Vaughan Rocky Mountain News (Denver, Colo.) Dec. 19, 2000. (source: Double-Tongued Dictionary)