daffy

[ daf-ee ]

/ ˈdæf i /

silly; weak-minded; crazy.

Origin of daffy

1880–85; daff (obsolete; see daff¹) + -y¹

daf·fi·ly, adverb daf·fi·ness, noun

“You know, this goes against everything they taught me in health class,” Daffy Duck says, before he drinks.

The ‘Space Jam’ '30 For 30’ Totally Ignores Allegations of Doping (Not Really) | |November 14, 2013 |DAILY BEAST
There was a Lucille Ball–like fearlessness to her daffy brand of physical comedy that seemed to be refreshingly natural.

Amanda Bynes’s Makeover Picture: WTF?! |Kevin Fallon |March 12, 2013 |DAILY BEAST
Cinderella, Minnie Mouse, and Daffy Duck are the centerpieces of two new fashion campaigns this holiday season.

Disney Characters Are Slimmed Down For Barneys and Harrods Holiday Campaigns |Misty White Sidell |November 6, 2012 |DAILY BEAST
Saved my life by shooting a dog with a bottle of Daffy's elixir!'

Micah Clarke |Arthur Conan Doyle

Daffy's elixir possesses extraordinary powers in purifying the blood and working off all phlegms, humours, vapours, or rheums.

Micah Clarke |Arthur Conan Doyle
Just love it, with all its faults; fight for it, if necessary, but don't get daffy over it.

Peck's Uncle Ike and The Red Headed Boy |George W. Peck
"Now don't go to cutting it," whispered Daffy; "it looks so pretty."

Rose Clark |Fanny Fern
"Sisters are different, you know;" said Daffy, polishing a tea-cup with a towel.

Rose Clark |Fanny Fern

daffy

/ (ˈdæfɪ) /

informal another word for daft (def. 1), daft (def. 2)

C19: from obsolete daff fool; see daft