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1. What say you?
An archaic English phrase that is still used in a legal and governmental context. It is used to ask for a verdict or a vote.

This phrase is sometimes used in everyday conversation with the same meaning - usually with the intent of seeming formal, stylish, or unusual.
Speaker of the House: "Representative from Ohio, what say you? Yah or Nay"
Representative: "Nay"
2. what say you?
Just another way to say "What do you think?"
I'm thinking of going to the mall later. What say you?
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