Meaning

1 senses
  1. (Canada, US, informal)Very intelligent.

Translations

1 languages

Origin

Inversion of earlier smart as a whip (compare rock solid, from solid as a rock; snow-white

Inversion of earlier smart as a whip (compare rock solid, from solid as a rock; snow-white, from white as snow; etc.). Possibly an allusion to how quickly the tip of a whip moves when the whip is cracked.

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