Boy, you've mixed things up beautifully, you have.
4 seconds sound clip from the White Christmas (1954) movie soundboard.
You can hear this line at 01:34:50 in the Blu-ray version of the movie.
Quote context
[...]
- I'm going to New York and try and square it with Betty.
- Leave the kid alone. You've got her confused enough already.
- Bob, you don't understand one thing.
- Boy, you've mixed things up beautifully, you have.
- I got a job for you to do, if you think you can get one simple thing straight.
- Try me.
- OK. The general always listens to the Ed Harrison Show, right?
- Yeah.
[...]