I can't stand it.
3 seconds sound clip from the It's Christmastime Again, Charlie Brown movie soundboard.
You can hear this line at 00:18:06.861 in the Blu-ray version of the movie.
Quote context
[...]
- No part in a play is small, sir, if it brings joy to the audience.
- Baa!
- Every time there's a Christmas play I end up being a sheep.
- Watch out for the curb here, sir.
- What?
- Slouching toward Bethlehem, huh, sir?
- You look cute in your sheep costume, sir.
- I was up late last night memorizing all my lines.
- You're a sheep, sir. All you have to say is, 'Baa.'
[...]