Stop it. I'll start jittering.
1 seconds sound clip from the Holiday (1938) movie soundboard.
You can hear this line at 00:19:43.000 in the Blu-ray version of the movie.
Quote context
[...]
- Say, she was beautiful even then, wasn't she?
- Case?
- What?
- I love my sister Julia more than anything else in the world.
- She's so sweet, you don't know.
- She's beautiful and exciting too, don't you think?
- Stop it. I'll start jittering.
- It's terribly important that she should marry the right person.
- That's important for everyone.
- No. It's particularly so for Julia.
- I suppose you realize you're a rather strange bird in these parts?
- You don't know the kind of men we see as a rule.
[...]