You'd better say.
3 seconds sound clip from the Gone with the Wind (1939) movie soundboard.
You can hear this line at 02:39:30 in the Blu-ray version of the movie.
Quote context
[...]
- What are you laughing at? (2)
- This isn't your night to teach that lesson.
- These two have been with me tonight. Yes, sir.
- I don't like to say in the presence of ladies.
- Come out on the porch and I'll tell you.
- Speak out, Captain. I think I have a right to know where my husband's been.
- Well, ma'am, we dropped in on a friend of mine and the Captain's.
- We played cards and drank champagne, and, well...
[...]