You may go to the barbecue and stay up through supper.
5 seconds sound clip from the Gone with the Wind (1939) movie soundboard.
You can hear this line at 00:14:37 in the Blu-ray version of the movie.
Quote context
[...]
- You may wear my garnets with it.
- Why can't I stay up for the ball tomorrow night?
- You look tired, my dear. I'm worried about you.
- Why can't I stay up for the ball tomorrow night? I'm 13 now.
- You may go to the barbecue and stay up through supper.
- I didn't want to wear your tacky dress anyhow, stingy!
[...]