- What's that?
- Sounds like a kid dragging a stick across a picket fence.
- We ain't got no picket fence out here.

11 seconds sound clip from the Attack of the Crab Monsters (1957) movie soundboard.

You can hear this line at 00:33:45.879 in the DVD version of the movie.

Quote context

[...]

- Give me two.

- Here's two.

- And I'll take one.

- Bet you 10.

- Okay, I bet you 10 and I'll raise you 10.

- If you're not careful, you'll raise us both 10 feet.

- What's the matter, nervous?

- What do you mean, nervous?

- Okay, what do you got?

- Three queens.

- Well, big deal, so you finally won a hand. I'm still 100 sticks of dynamite and one wild explosion ahead of you.

- What's that?

- Sounds like a kid dragging a stick across a picket fence.

- We ain't got no picket fence out here.

- Professor Deveroux. Professor Deveroux.

- Who is there?

- Seaman Ron Fellows.

- And Sam Summers.

- We found Dr. Carson.

- Where are you?

- We're outside. We can take you to Dr. Carson, but you got to be quiet.

- Very quiet.

- Will you come?

- Yes.

- Come down the path toward the big pit. We'll meet you there and lead you to Carson.

- I will be there.

[...]