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 daff

(informal) the daffodil.

(colloquial) Somewhat mad or eccentric.

(informal) A daffodil.

Of a brilliant yellow color, like that of a daffodil.

(UK, slang, dated) Gin.

A bulbous plant of the genus Narcissus, with yellow flowers and a trumpet shaped corona, especially Narcissus pseudonarcissus, the national flower of Wales.

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

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