I'll kill you, you cheatin' son of a...
5 seconds sound clip from the Tombstone (1993) movie soundboard.
You can hear this line at 00:24:27 in the Blu-ray version of the movie.
Quote context
[...]
- Have you seen how everyone dresses? Awful tony for a mining camp.
- Easy, gents! It's a private affair!
- Don't raise that iron. I don't wanna have to...
- I'll kill you, you cheatin' son of a...
- I know him. That's Creek Johnson.
- Jack.
- What do you say, old friend?
[...]