flatfender
n.— «Kevin Hawkins is well-known in wheeling circles as a builder and driver of Jeeps that work. His first flatfender was affectionately called the “Frog,” owing to its green paintand the way it would hop effortlessly over obstacles with its 1/4 elliptical springs in back and gutsy little Buick V6.» —“1951 Jeep CJ-2A – Bullfrog” by Phil Howell 4 Wheel Drive & Sport Utility Magazine Dec. 18, 2007. (source: Double-Tongued Dictionary)