Mr. O'Malley, I think you should be the rear end.
6 seconds sound clip from the The Aristocats (1970) movie soundboard.
You can hear this line at 00:44:42 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, no.
- Now, uh, you stand here, dear. And, uh, let's see. You take this position.
- Duchess, you'll do nicely here.
- And, you dear, you take this place.
- Now, that leaves Mr. O'Malley.
- Mr. O'Malley, I think you should be the rear end.
- Ready, everyone? Now, think goose. Forward march.
- Mama? Do we have to waddle like they do?
- When we get to Paris, you must meet Uncle Waldo.
- Waldo?
- We are to meet Uncle Waldo at Le Petit Café.
[...]