Definition of duckier:
(adj) :
(slang) Darling, charming, cute.
(n) :
An affectionate pet name.
(adj) :
Resembling or characteristic of a duck.
(n) :
(childish) A duck (aquatic bird), especially a toy rubber duck.
(adj) :
(slang, dated) Great; going well; proceeding in an eminently agreeable fashion.
(n) :
(slang, obsolete, chiefly in the plural) A woman's breast.