"whip-smart : (Canada, US, informal) Very intelligent. Marilyn vos Savant, known for having the..."

“whip-smart : (Canada, US, informal) Very intelligent.
Marilyn vos Savant, known for having the highest recorded IQ according to the Guinness Book of Records (a category since retired), was born on this day in 1946.”

- https://en.wiktionary.org/wiki/whip-smart#English

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