whoop-de-do
n.— «They will race about 100 yards before funneling into a tight turn, followed by five jumps, a water hazard, mud pit, several sand traps and dozens of “whoop-de-do” cross-grain ruts.» —“45,000 To Watch Motocross In Coliseum Tonight” by Shav Glick Los Angeles Times July 7, 1972. (source: Double-Tongued Dictionary)