You do that so well, sir.
3 seconds sound clip from the It's Christmastime Again, Charlie Brown movie soundboard.
You can hear this line at 00:17:52.284 in the Blu-ray version of the movie.
Quote context
[...]
- I'm all set for the Christmas play. Do I look like an angel?
- Good luck. Break a leg. Linus and I will be in the audience.
- Another Christmas play, and I have to be a sheep.
- 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.
[...]