You oughta not done that to your boy.
5 seconds sound clip from the Sling Blade (1996) movie soundboard.
You can hear this line at 01:52:32 in the Blu-ray version of the movie.
Quote context
[...]
- I told you, I ain't got no boy. Now, why don't you get on outta here and let me be?
- Them stories you and Momma told me, they ain't in there.
- You oughta not done that to your boy.
- I've studied on killing you. I studied about it quite a bit.
- But I don't reckon there's no need for it if all you're gonna do is sit there in that chair.
- You'll be dead soon enough, and the world'll be shut of you.
[...]