You're kidding.

2 seconds sound clip from the Breakfast at Tiffany's movie soundboard.

You can hear this line at 00:27:41 in the Blu-ray version of the movie.

Quote context

[...]

- What do you drink, kid? Bourbon? On the rocks?

- Yeah. No. With water.

- All right, you want rocks first, though, don't you?

- Yeah.

- Good, you got them.

- Not too much.

- All right. That'll set you free.

- You know the kid long?

- Not very. I live upstairs.

- You're kidding.

- Boy, look at this place, will you? What a place. It's unbelievable. What a dump.

- What do you think?

- About what?

- Is she or isn't she?

- Wait a minute. Hold it now.

- Harriet!

[...]