scratch someone's back
idiom
informal
: to do something that helps someone else but that is often difficult to do or wrong and with the expectation of help in return
—usually used in the phrase You scratch my back, and I'll scratch yours.
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Cite this Entry
“Scratch someone's back.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scratch%20someone%27s%20back. Accessed 1 Dec. 2024.
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