cuckoo for Cocoa Puffs

adjective

Crazy, insane, irrational.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

adjectivecuckoo for Cocoa Puffs (not comparable)
  1. USnot comparableslangCrazy, insane, irrational.

    This girl is cuckoo for Cocoa Puffs.

    1994, Helen Childress, Reality Bites, spoken by Troy Dyer (Ethan Hawke)
    1 more example

    'She's totally cuckoo for Cocoa Puffs.'

    2010, Lauren Oliver, Before I Fall

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 cuckoo (“crazy”).

Full word history & related roots →
Cite this entry
APA

cuckoo for Cocoa Puffs. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/cuckoo%20for%20Cocoa%20Puffs

MLA

“cuckoo for Cocoa Puffs.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cuckoo%20for%20Cocoa%20Puffs. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “cuckoo for Cocoa Puffs,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/cuckoo%20for%20Cocoa%20Puffs.

Source: cuckoo for Cocoa Puffs on Wiktionary, CC BY-SA 4.0.