Yank tank
n.— «The mayor says he hopes to increase the fee to $20 next year, with a special super-sized congestion charge of $50 on the vehicles he hates most—those gas-guzzling, road-hogging, American-style sport-utility vehicles. They are known in London as Yank tanks.» —“London drivers bristle over fee” in London, England Detroit Free Press (Michigan) Mar. 1, 2007. (source: Double-Tongued Dictionary)