- What is this?
- Idiot, probably.

— Macaulay Connor (James Stewart), Elizabeth Imbrie (Ruth Hussey)

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

You can hear this line at 00:26:18 in the Blu-ray version of the movie.

Quote context

[...]

- I spoke French before I spoke English. My early childhood was spent in Paris, where my father worked in a bank. The House of Morgan.

- Really?

- C'est vrai absolument.

- Can you play the piano? I can. And sing at the same time. Listen.

- Lydia, oh, Lydia, say, have you met Lydia? Oh, Lydia the tattooed lady.

- She has eyes that folks adore so, and a torso even more so.

- What is this?

- Idiot, probably.

- The queen of tattoos on her back is the battle of Waterloo.

- Beside it the wreck of the Hesperus too, and proudly above Waves the red, white, and blue.

- You can learn a lot from Lydia.

- Ah, petite soeur! Tu es un véritable petit Chopin!

- Tu trouves?

- Mais certainement.

[...]