- Yeah, what's that mean?
- Me no know. Me hear it once on radio. Very old word.

— (Edward Everett Horton)

8 seconds sound clip from Batman (1966) - An Egg Grows in Gotham (S2E13) TV Series.

You can hear this line at 00:11:44 in the Blu-ray version of the movie.

Quote context

[...]

- Me deal with highest bidder.

- But don't worry, they pay me pelts. They always do, it is tradition.

- Ah, but tonight, one of those men won't show up and then the lease will eggspire.

- You make mighty big talk, kemosabe.

- Kemosabe? I thought I heard just about everything but...

- Yeah, what's that mean?

- Me no know. Me hear it once on radio. Very old word.

- It's no use, Robin. Not a single new egg company has opened in Gotham City in the last few weeks.

- I can't understand. That's his usual modus operandi.

- Egghead always has his hideout associated with some sort of egg outfit.

- Obviously, he's changed his way of thinking and if that's not enough, he's probably changed the way he... Oh, well, that's it. Of course.

[...]