Well, what in the world could he have meant by that?

6 seconds sound clip from Batman (1966) - The Bat's Kow Tow (S2E30) TV Series.

You can hear this line at 00:16:15 in the Blu-ray version of the movie.

Quote context

[...]

- Boy, I thought I'd heard everything.

- Yes. To Mr. Oceanbring's on Pickford Street.

- Mr. Oceanbring's? The world-famous men's hairstylist?

- It's the latest rage, Master Dick. Almost every rock 'n' roll star goes to have his hair coiffed by Mr. Oceanbring.

- Are there hair dryers at Mr. Oceanbring's?

- Well, what in the world could he have meant by that?

- Well, madam, urn apparently something about the hair dryers at Mr. Oceanbring's seemed particularly attractive to... Yes.

- One day without the power to speak and the whole world will be at our knees. Ha.

- Then they'll pay anything to get their voices back. Ha.

- Being an honorable crook, I'd let them off the hook for a measly $22,400,000.

[...]