(colloquial) Somewhat mad or eccentric.

(informal) A daffodil.

(UK, slang, dated) Gin.

(informal) The quality of being silly or foolish. / (informal) The quality of being crazy or mad.

A diminutive of the female given name Daphne / A diminutive of the female given name Daffodil / A surname from Welsh, derived from the Welsh equivalent of David.

plural of daffy

A fictional anthropomorphic black duck in the Looney Tunes and Merrie Melodies series of animated cartoons by Warner Bros.

(usually used attributively) A duck, comical especially for lisping voice or zany behavior.

plural of Daffy Duck