Kool-Aid smile
(US, idiomatic, informal) A large, beaming smile.
Definitions
#1·Apr 27, 2026
(US, idiomatic, informal) A large, beaming smile.
Origin: From the wide smile of the character used to advertise the drink. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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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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