What's the idea? You better not leave that guy.
4 seconds sound clip from the After the Thin Man (1936) movie soundboard.
You can hear this line at 00:30:14 in the DVD version of the movie.
Quote context
[...]
- Not now, baby. I got to make a change. I'll be right back.
- Waiter, bring Mr. Landis another drink.
- What's the idea? You better not leave that guy.
- Aw, these shoes are murdering me.
- Don't be long. He might get restless.
- Say, I'm getting pretty fed up with him.
- It'll just be till tomorrow. Then you can turn him loose.
- Yeah? Tomorrow's a holiday. The banks will be closed.
[...]