A question asked mostly by radio/TV personality/talk-show host Bill O'Reilly. It means, "What do you think?" or "What are your feelings on the subject?" Variation: What say ye?
Bill O'Reilly to caller: "What say you?"
Caller: "I say you're full of shit, Bill!"
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"
Just another way to say "What do you think?"
I'm thinking of going to the mall later. What say you?