# Kool-Aid smile

idiom

Source: https://englishreference.com/idiom/kool-aid-smile
Updated: 2026-08-10

## Meaning

A large, beaming smile.

## Examples

- The child showed a big Kool-Aid smile after getting a gift.
- She walked into the room with a wide Kool-Aid smile, clearly proud of her recent promotion.
- Despite the long and difficult day, he greeted his family with a bright Kool-Aid smile that masked his exhaustion.

## Origin

From the wide smile of the character used to advertise the drink.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.