curbstoner
 v.— «Sometimes the mileage on the car is in question. Mr. Buyer, who recently complained to us about a transaction, may have been the victim of a “curbstoner.”» —“That Street-Corner Car Dealer May Be Taking You For A Ride” by Shelby Gilje Seattle Times (Wash.) June 3, 1990. (source: Double-Tongued Dictionary)