what's it to (someone)
Definition of what's it to (someone)
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?”
From the M-W Editors
Word by Word Definitions
whatplay
: used as an interrogative expressing inquiry about the identity, nature, or value of an object or matter
: often used to ask for repetition of an utterance or part of an utterance not properly heard or understood
: who
: why
: in what respect : how
: used as an interrogative expressing inquiry about the identity, nature, or value of a person, object, or matter
: whatever
: any
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