you don't say

Idioms  

1. How surprising, is that true? Also, I find that hard to believe. For example, I've been working on this project for two years.—You don't say, or The man who runs this soup kitchen is a real saint.—You don't say! This expression, a shortening of you don't say so, may be used straightforwardly or ironically. [Late 1800s]

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Example Sentences

“Raised by wolves! You don’t say,” he exclaimed when she was done.

From Literature

Mr. Leibovich writes that one of Cheney’s political mantras—“You never get in trouble for something you don’t say”—was first attributed to Sam Rayburn.

From The Wall Street Journal

You don’t say how many years you have left on your current mortgage, but you would be signing up for a 30-year mortgage at a higher rate.

From MarketWatch

While Roz spoke, Sprinkles nodded politely and said things like “Oh my” and “Is that right?” and “You don’t say!”

From Literature

You don’t say what your annual expenses are now and/or will be in retirement, but it’s probably safe to say you’re close to exceeding them.

From MarketWatch