No telling what that screwball might do.
4 seconds sound clip from the Meet John Doe (1941) movie soundboard.
You can hear this line at 00:29:02 in the DVD version of the movie.
Quote context
[...]
- They all know he's a phony and insist on seeing him.
- Let them see him? We'll let them hear him.
- You own a radio station. Why not put him on the air?
- Watch out for this dame. She'll drive you batty.
- We can't let them start pumping this bush league pitcher. Good night.
- No telling what that screwball might do.
- I walk in yesterday, he's on a table with a fishing pole, fly-casting.
- Take my advice and get him out of town before this thing explodes in our faces.
- You do and you're as much of a dumb cluck as he is. Excuse me.
- You got yourself a meal ticket.
[...]