I got a cracked rib. Don't make me laugh.
3 seconds sound clip from the Knock on Any Door movie soundboard.
You can hear this line at 00:26:21.296 in the Blu-ray version of the movie.
Quote context
[...]
- Miss America, 1913. Weighs 2 pounds less than a grand piano.
- Sit down, young men, sit down.
- Tell me an answer: where'd you get them?
- We got 'em. What do you care?
- Watches are very hard to turn over.
- I got a cracked rib. Don't make me laugh.
- You want them, or you don't want them?
- All right, all right. Show 'em.
- $2 for this one, $3 for the big one.
- Oh, young men, you're young. You don't know the trouble I go through.
[...]