(slang, archaic) Great; going well; proceeding in an eminently agreeable fashion.Farnesworth smiled contentedly as he read the stock ticker; all was ducky on Wall Street.
1942, James Thurber, The Catbird Seat:Fortunately, she had bragged to everybody about her ducky first-floor apartment in the perfectly darling three-story red-brick.
1990, Donna LeBlanc, You can't quit until you know what's eating youDo little things for your Inner Child, like taking bubble baths. Invite a rubber ducky to play with you...