- I like Dexter.
- Really? Why don't you postpone the wedding?
- How?
- Get smallpox.

8 seconds sound clip from the The Philadelphia Story movie soundboard.

You can hear this line at 00:05:05 in the Blu-ray version of the movie.

Quote context

[...]

- It's the only stand a woman could take and keep her self-respect.

- Yes, dear, I know. Now I have my self-respect and no husband.

- You almost talk as though you wanted him back.

- He wouldn't come back, probably.

- Hey, it's better this way, really. You'll see. Let's forget about the past. We both deserve some happiness now. Especially you.

- Isn't George an angel?

- George is an angel.

- Is he handsome, or is he not?

- George is handsome.

- I like Dexter.

- Really? Why don't you postpone the wedding?

- How?

- Get smallpox.

- Don't put the idea in her head.

- George isn't usually late.

- He's waiting for us at the stables.

- Mother, if I don't choke her before Saturday...

- It'd postpone the wedding, wouldn't it?

- It would not.

[...]