oh really

Interjection

1. (colloquial) An exclamation of surprise or amazement.
   • Well, one day when she got tired of my seemingly spaced-out replies she let me have it. She responded with, "Oh Mommy, I had a horrible day. First I lost my lunch pail and the teacher wouldn't let me go to the office for help. Then I got upset and jumped off the building." My response was “Oh...2009, Elizabeth Marie Galloway-Evans, Embracing the Gift of Parenthood, page 85

   Synonyms:

   really, no shit, never, no, no way, wow

2. (colloquial, sarcastic) Said in response to an obvious statement.
   • 'It's a sniper' shouted the bush.
     ‘Oh really! Did you hear that boys, it's a fucking sniper. What am I? Am I talking in Czechoslovakian or what? I know it's a fuckin' sniper.’2004, Martin Pegler, Out of Nowhere: A history of the military sniper, published 2012, unnumbered page

   Synonyms:

   really, no shit, no kidding, you don't say, seriously

3. Used other than figuratively or idiomatically: see oh, really.
   • "In less than two hours Simon is picking me up, and we're going to Maui for the weekend."
     “Oh, really.” The line was silent for a moment. “And just what are his intentions in this romantic getaway?”2007, Terrye Robins, Revenge in Paradise, page 131