cuckoo for cocoa puffs

Adjective: Someone who will happily talk about nonsense that only matters to them which ultimately confuses or bores the listener.
Person 1: Did you hear Kayleigh going on at the meeting about her Uber Eats orders this week?

Person 2: She’s cuckoo for cocoa puffs, just like that crazy bird was for Cocoa Puffs cereal.
by Vanderveer October 13, 2021
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cuckoo for cocoa puffs

When a person gets triggered by something into losing all self control and exhibits irrational behavior in front of others.
Stacey saw Kiley give Austin a smooch and went cuckoo for cocoa puffs.
by TheToesKnows October 01, 2023
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