What do you know?


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What do you know (about that)?

Inf. That is very interesting. Tom: I heard that Jim and Mary are getting married. Jane: Well! What do you know about that? What do you know? Bill finally sold his house!
See also: what

What do you know?

Inf. a typical inquiry on greeting someone. (A specific answer is not expected. Often pronounced "Wha-da-ya know?") Bob: Hey, Tom! What do you know? Tom: Look who's here! Hi, Bob! John: What do you know? Mary: Nothing. How are you? John: Okay.
See also: what

what do you know (about that)?

used as an expression of surprise. informal, chiefly North American
See also: what

(well) what do you ˈknow (about ˈthat)?

(informal) used to express surprise: Well, what do you know? Look who’s here!
See also: what