You're right. Something is missing. But what? I've got the beard, the coat, the boots, the belt...
11 seconds sound clip from the The Nightmare Before Christmas (1993) movie soundboard.
You can hear this line at 00:46:02 in the Blu-ray version of the movie.
Quote context
[...]
- But you're the Pumpkin King.
- Jack, I know you think something's missing, but...
- Ow!
- Sorry.
- You're right. Something is missing. But what? I've got the beard, the coat, the boots, the belt...
- Jack! This time we bagged him!
- Sandy Claws. In person. What a pleasure to meet you!
- Why, you have hands. You don't have claws at all!
[...]