- Then you won't mind if I don't call you Dad.
- Duke's okay.

6 seconds sound clip from the Ocean's 11 (1960) movie soundboard.

You can hear this line at 00:43:16 in the Blu-ray version of the movie.

Quote context

[...]

- Then you can entertain us by doing some deep-knee bends and some pushups.

- Good evening, sir.

- 'Evening. My mother at home?

- She's expecting you, but she's upstairs.

- Thank you.

- You must be Jimmy.

- That's correct.

- Your mama'll be down in a minute. I'm Duke Santos.

- I'll wait in here.

- It must be a funny feeling meeting a total stranger who's gonna be your stepfather. I mean, I think it's only natural if you resent me a little.

- Then you won't mind if I don't call you Dad.

- Duke's okay.

- Oh. It's the engagement ring I bought your mama.

- That's nice. Zircon, isn't it?

- Zircon? That's a diamond!

- I'm sorry.

- You probably thought it was a zircon because it's so big. It isn't too big, is it?

- Your mama's got wonderful taste.

- Has she?

- All right, rich boy. You want it that way, you got it.

- Let's see how fat you get tangling with me.

[...]