Also ump·ty-ump [uhmp-tee-uhmp] /ˈʌmp tiˈʌmp/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for umpty-umpth
Historical Examples of umpty-umpth
With a silent savage nod for emphasis, Dawson twisted around and squinted at the Jap Zeros for the umpty-umpth time.Dave Dawson on Guadalcanal
Robert Sydney Bowen