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3. give (one's) right arm

give (one's) right arm

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give (one's) right arm

A figurative phrase that highlights one's interest in or willingness to do something. A: "I'm going to the concert on Saturday!" B: "Aw man, I would give my right arm to have tickets to that!" I would give my right arm to get good grades like my sister.

See also: arm, give, right