It's cold. A man's gotta do something to keep warm.
5 seconds sound clip from the Miracle on 34th Street (1947) movie soundboard.
You can hear this line at 00:05:25 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, I'm terribly sorry. I thought you were our Santa Claus.
- Your Santa Claus is intoxicated.
- Oh, no!
- Yes. It's disgraceful. How can you allow a man...
- Stop that! What do you mean by drinking? You know it's not allowed.
- It's cold. A man's gotta do something to keep warm.
- I'll warm you. I ought to take this cane...
- And I ought to Uh, somebody, Julian, get some black coffee. Plenty of it, please.
- Uh, black with a little cream.
- Wake me up when the parade starts.
- Jingle bells, jingle bells, jingle all the way...
[...]