Interesting reaction, but what does it mean?

7 seconds sound clip from the The Nightmare Before Christmas (1993) movie soundboard.

You can hear this line at 00:27:25 in the Blu-ray version of the movie.

Quote context

[...]

- How perfectly marvelous!

- Curiosity killed the cat, you know.

- I know.

- Come on into the lab and we'll get you all fixed up.

- Hmm. Experiments?

- Zero! I'm home!

- Interesting reaction, but what does it mean?

- You can come out now if you promise to behave.

- Sally? Sally!

- Oooh! Gone again!

(rooster crowing)

[...]