One more word out of you and you're chopped off at the ankles.
5 seconds sound clip from the Dirty Harry 1 movie soundboard.
You can hear this line at 00:44:59 in the Blu-ray version of the movie.
Quote context
[...]
- Wait a minute. What about me?
- No cover? Not even one man? Are you sure that's the way to do it?
- No, I'm not sure! But those are my orders. All right?
- No wonder they call him 'Dirty Harry'. He always gets the shit end of the stick.
- One more word out of you and you're chopped off at the ankles.
- Let's split the difference. Give him the night off.
- Get the hell out of here, both of you!
- What the hell are you yelling for?
- All you have to do is whisper.
- Mary had a little lamb, its fleece as white as snow.
[...]