A duck (aquatic bird), especially a toy rubber duck

An affectionate pet name.

“"Morning, ducky!" said Roderick, as he gave his partner a quick peck on the cheek and sat down to breakfast.”

Resembling or characteristic of a duck.

Great; going well; proceeding in an eminently agreeable fashion.

“Farnesworth smiled contentedly as he read the stock ticker; all was ducky on Wall Street.”