Sir, my train, please.
4 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 00:25:16 in the Blu-ray version of the movie.
Quote context
[...]
- Eighteen? Why, it was only last year you were seventeen.
- Oh, no, no. Just right. Your age fits you.
- A pox upon me for a clumsy lout.
- As I was lumberin' down the street, down the street, down the street...
[...]