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Crazy. Madly deranged and completely nuts. Foolish; stupid or mentally imbalanced.

Common british slang for daft.
Someone should tell the building super that the daffy french woman has locked the fire escapes with padlocks again.
by soma616 October 15, 2005
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Aug 4 Word of the Day
Man's greatest invention, brain bleach removes bad memories and general DO NOT WANT moments. Every household should have a few gallons.
1: Dude, I just walked in on my parents.
2: Have some Brain Bleach!
by Andikun November 06, 2007
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A duck that always gets shot by an Elmer Fudd
Bugs: Duck Season
Daffy: Wabbit Season
Bugs: Wabbit Season
Daffy: Duck Season FIRE!! *Gets shot*
via giphy
by Hamtaro January 02, 2019
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Slang term for Nootropic drugs (smart drugs or cognitive enhancers). The words stems not from just a single Nootropic drug but from a broad use of the word for all Nootropic drugs.
I need some Daffy to get me through that long night shift.
Dreaming of Daffy Days to clear the work fog.
by Zyklon8 August 01, 2017
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Absolutely and completely nuts. Crazy. Mentally ruined or imbalanced. Coined by South Park in 2004,
Whoah, that dude has lost it, that fuckerโ€™s completely daffy man!
by schweinsberg April 14, 2005
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A skiing trip in which, the skier while in air, folds one leg back, and kicks the other forward, and then wise versa.
"dude, I pulled a smooth daffy off that jump"
by Snips July 28, 2003
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