redonkulous
adj.— «The other driver’s insurance company is claiming they have to determine liability…which, to me, is a bit redonkulous (to steal a word from my brother), seeing as how I was nowhere near my car.» —“How Cold Is It? Oh, Look At That Poor, Shivering Dog!” St. Paul Pioneer Press (Minn.) July 20, 2001. (source: Double-Tongued Dictionary)