give someone a break

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Give someone a chance or special consideration. For example, She begged the professor for an extension on her term paper, sayingPlease give me a break.” [ c. 1900 ]
Also see: get a break
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give me a break. Stop trying to fool or upset or bother me. For example, Don't tell me the party's been postponed again—give me a break! This interjection is usually uttered with semihumorous exasperation. [ ; late 1900s ]