what do you know

idiom

informal
used to express surprise
She's an astronaut? Well, what do you know!"He's going to law school in the fall." "Well what do you know about that?!"

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Cite this Entry

“What do you know.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/what%20do%20you%20know. Accessed 31 Jan. 2023.

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