Put that down!
2 seconds sound clip from the Utopia (1951) movie soundboard.
You can hear this line at 00:09:45.570 in the Blu-ray version of the movie.
Quote context
[...]
- Thank you. It's much too much, sir. Much too much.
- What did you have to open your big mouth for?
- Well, I didn't know he was going to take it.
- Come on and let's take a look at the boat.
- Look, there's a tunnel. Look. See? Let's go down.
- Why don't you watch where you're walking?
- Oh, never mind that. Let's see what we've got here.
- I didn't know they were living underneath.
[...]