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)
Further reading
We’ve previously discussed when pigs fly and other idioms expressing profound skepticism that something will occur. That prompted an email from Guillermo in Tucson, Arizona, who shared a Spanish phrase that conveys a similar idea: cuando la...
Scientists decided to name some newly discovered tree frogs in Madagascar based on the boops and trills they make, which reminded the researchers of Star Trek. Among the scientific names for these critters that belong to the rare Boophis frog genus...