What do you mean? What was it you saw down there?
3 seconds sound clip from the It Came from Outer Space movie soundboard.
You can hear this line at 00:12:31.433 in the Blu-ray version of the movie.
Quote context
[...]
- Well, then, what's the matter?
- There's something down there.
- Boy, you're not kidding. A couple of tons of earth that almost hit you.
- What do you mean? What was it you saw down there?
- I'm not sure. Some kind of a ship, I think.
- A what?
- A ship.
- I don't know. It's like nothing we've ever seen before.
- Look, something must have hit this guy in the head. Come on.
- It sounds crazy, but I tell you it was there. Part of it was still showing.
[...]