He is mad! Mad!
4 seconds sound clip from the The Last Unicorn movie soundboard.
You can hear this line at 01:13:45.668 in the Blu-ray version of the movie.
Quote context
[...]
- Do you still deny yourself? Do you dare still pretend to be human?
- I'll hurl you down to the others with my own hands if you dare deny yourself!
- It makes no difference. I can wait. The end will be the same. I can wait.
- Shhh, don't, don't, don't. It's all right. We'll find them. Come on, come to me.
- Just come with me. Shh, don't cry. I promise you we'll find them.
- Shut up, you pretentious kneecap! How would you like a punch in the eye?
[...]