Well, Nick, that's your name.
3 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 01:49:31 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, he never grew up. He's...
- Two hundred and ninety-three, next May.
- That does it. Out, you two pixies! Go through the door or out the window.
- Now, that's another thing. Where do you come off calling me Nick?
- Well, Nick, that's your name.
- What's that got to do with it? I don't know you from Adam's off ox.
- Hey. Hey, you rummy, there. Come here, come here.
- Didn't I tell you never to come panhandling around here, huh?
[...]