get one's back up

idiom

Definition of get one's back up

: to become angry or annoyed and want to fight or argue He gets his back up and becomes defensive whenever someone questions his work.

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get one's ass kicked

get one's back up

get one's card

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Cite this Entry

“Get one's back up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/get%20one%27s%20back%20up. Accessed 28 Nov. 2021.

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