The idiom "smart cookie" has been in use for quite some time, and it likely emerged as a metaphorical expression that compares someone's intelligence or cleverness to a cookie. This expression is typically used in a positive and admiring manner to acknowledge someone's intelligence, wit, or ability to navigate situations effectively.

What is the origin of the idiom "smart cookie" and when to use it?

英語での「 smart cookie」の定義と意味

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