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American acronym popular since WW2 condensed from "Dumb-As-Fuck", similar to SNAFU. Often compared with British daff or daft, but possibly unrelated.
Why are you loading this Fatboy onto this P-51? That's just daffy!
daffy by anonymous September 4, 2022
Something crazy, originating from the irish term "da fook?".
Sara: I heard Michael doesnt stan Ice Spice..
You: That is fking daffy..
daffy by onyxchungus November 24, 2023
Stands for: Dumb As Fuck Fuck You.When you say something stupid and you deserve a beat down as well.
You: Tariffs are good.
My. You are DAFFY. Tariffs cost me money.
DAFFY by CSRunn.com March 9, 2025
An incredibly stupid statement or premise. Dumb As Fuck, Fuck You
We never landed on the moon.
Well, that is just DAFFY.
DAFFY by CSRunn.com April 15, 2025
Foolish, insane, brainless, crazy

This definition is from the episode of the looney tunes when daffy searches up the definition of his name loll
*gasp** "This explains sooo much! " "no wonder ive been treated with such disdain!" "daffy is insane and foolish"
Daffy by Rin_Namikaze October 31, 2025