- Why? What's the matter with you anyway?
- She is what's the matter with me.

5 seconds sound clip from the Bonnie and Clyde (1967) movie soundboard.

You can hear this line at 00:47:37 in the Blu-ray version of the movie.

Quote context

[...]

- Will you shut up? Just shut up your big mouth! At least do that much. Shut up!

- Cut it out, Bonnie!

- You stop the car. I wanna talk to you.

(TIRES SCREECH)

- Get rid of her.

- I can't get... She's Buck's wife.

- Get rid of them both.

- Why? What's the matter with you anyway?

- She is what's the matter with me.

- She's nothing but a dumb, stupid Sanborn hick. Look! She ain't got a brain in her head.

- What makes you better? What makes you so damn special? You were just a West Dallas waitress. Spent your time picking up truck drivers.

- Stop it! Oh, big Clyde Barrow!

- You're just like your brother! Ignorant, uneducated hillbilly!

[...]