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Region: US | Usage example: The cult members drank the Kool Aid and followed the leader without protest.

Drink the Kool Aid

Meaning

Accept a belief or plan unquestioningly, often to the point of self harm.

Usage

Used as a warning against cultish or blind loyalty.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Refers to the 1978 Jonestown tragedy, in which more than 900 people died after drinking a poisoned flavoured drink (reportedly Flavor Aid rather than Kool-Aid). Use with care.

Entered English after 1978.