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3. back of one's hand

back of one's hand

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back of one's hand

Rejection or contempt, as in Unimpressed with him, she gave the back of her hand to his suggestion. This phrase is usually the object of a verb such as give or show. [Second half of 1700s] Back of the hand similarly means "an insult" in the term back-handed compliment (see under left-handed compliment) but has a quite different meaning in know like the back of one's hand (see under know like a book).

See also: back, hand, of