You let go of him before I knock your head clean off.

3 seconds sound clip from the Song of the South (1946) movie soundboard.

You can hear this line at 00:35:21.149 in the Blu-ray version of the movie.

Quote context

[...]

- The best way is don't cut across there at all.

- Giddy-up! Giddy-up!

- We ought to drown him!

- Sure, he's the runt.

- Yeah!

- This here's my puppy! You leave him alone.

- Aw, go on, Ginny. Ha ha ha ha!

- Them the Faber boys. My ma don't allow me to play with them. Your ma don't neither... If she catch you.

- You let go of him before I knock your head clean off.

- Where'd you get them funny looking clothes?

- Yeah. Look at that lace collar. Look, Joe.

- What's your name little girl? Look at the little girlie wearing a lace collar! Wearing a lace collar! Wearing a lace collar! Wearing a lace collar!

- Can I hold him?

- You can have him.

- For keeps?

- If you'll be nice to him. They was gonna drown him.

[...]