What on earth are you doing in that idiotic-looking outfit?
6 seconds sound clip from the McLintock! (1963) movie soundboard.
You can hear this line at 00:30:33 in the Blu-ray version of the movie.
Quote context
[...]
- Well, how refreshing... a polite young man here. Where did he come from?
- What on earth are you doing in that idiotic-looking outfit?
- And don't you dare call me Kate.
- That's my butling suit. I'm butling for the boss.
- Oh!
[...]