fuddle-duddle

[fuhd-l-duhd-l]

verb (used without object), fud·dle-dud·dled, fud·dle-dud·dling. Canadian.

to depart; be off.

Origin of fuddle-duddle

apparently extension of fuddle, after fuddy-duddy, though sense is unaccounted for
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019