you're joking

you're joking

You must not be serious. What you are saying is very surprising or unreasonable. Twenty bucks for a child's ticket? You're joking! My painting sold for $5,000? You're joking.
See also: joke
References in classic literature ?
"Married; you're joking," the Baronet cried, after the first explosion of rage and wonder.
"You're joking," was my first thought and utterance; for now he was lighting my candle, and blowing out the match with a care that seemed in itself a contradiction.
You're joking, sir, you're joking with me,' replied the lawyer, putting on his hat.
Natasha, I don't believe you, you're joking! In three days to forget everything and so..."
But let's overlook those eyewatering salaries (I bet more than a few people asked "How much?" before adding "You're joking, aren't you?") and concentrate on its excellent live broadcasts.
'It was like, 'You're joking.' And then it was like, 'F*ck this.
"My mum said, 'You're joking' and put the phone down.
I tried (and so far failed) to get both of my boys to read one of my favorite books, Surely You're Joking Mr.
It's the truth!" Lorraine Christina Spark: "You're joking. We are Geordies.
EBrenda from Bristol went viral (whatever that is) with her anguished cry to a BBC TV reporter: "You're joking! Not another one!
RBR + TVBR OBSERVATION (full text below, for subscribers) : You're joking, right?
His reply was: "You're joking, it's normal Sunday duties."
"You're joking! That's an expensive way to do it!" William said and added, "Wow!
I was like; 'You're joking,'" The Daily Telegraph quoted her as saying.