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cuckoo for Cocoa Puffs

(US, slang) Crazy, insane, irrational.

ˈkʌˌku ˈfɔɹ ˈkoʊkoʊ ˈpʌfsCurrent110 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 27, 2026

(US, slang) Crazy, insane, irrational.

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  • “Jeff Tiedrich: pretending he’s a ‘trans weightlifter’ is also now a regular part of Donny’s act. why? all he’s doing is reminding everyone that he’s cuckoo for cocoa puffs. www.jefftiedrich.com/p/preznit-fu...”

This girl is cuckoo for Cocoa Puffs.
Origin: Catchphrase of Sonny the Cuckoo Bird, the cartoon mascot of the General Mills breakfast cereal Cocoa Puffs: "I go cuckoo for Cocoa Puffs!" See crazy. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
Heard in the wild
  • “Jeff Tiedrich: pretending he’s a ‘trans weightlifter’ is also now a regular part of Donny’s act. why? all he’s doing is reminding everyone that he’s cuckoo for cocoa puffs. www.jefftiedrich.com/p/preznit-fu...”

    — Bluesky· May 2026
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.

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