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what's it to (someone)

idiom

informal
: why does (someone) want to know
used to respond in a somewhat angry or annoyed way to a question that one does not want to answer
"He wants to know much they pay you?" "Why? What's it to him?"

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Cite this Entry

“What's it to (someone).” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/what%27s%20it%20to%20%28someone%29. Accessed 29 Nov. 2025.

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