punching bag


noun

an inflated or stuffed bag, usually suspended, punched with the fists as an exercise.
Informal. a person serving as an object of abuse; scapegoat: I told him that I wasn't going to be a punching bag for anyone.

Origin of punching bag

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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