- Oh, shut up.
- Why don't you shut up?
- Why don't you both shut up?

— Betty (Linda Darnell), Jimmy (Dick Powell)

5 seconds sound clip from the Christmas in July (1944) classic radio play.

You can hear this line at 00:10:06 in the radio play.

Quote context

[...]

- Well, thank you very much. It's very nice to know just where I stand.

- Oh, I'm sorry.

- Maybe I will go out with a credit manager. Good night!

- Wait a minute. I'll help you with that skylight.

- Kindly let go of my arm, and mind your own business.

- Oh, shut up.

- Why don't you shut up?

- Why don't you both shut up?

- Wise guy.

- Now don't fall down the ladder.

- I've been down the ladder before.

- You fell down it before too.

- Good night.

- Yeah. See you at the office.

- Aren't you gonna' take me?

- Hm? Well, okay.

[...]