I said President Pierce was a polecat. Which he is! Then he popped me.

6 seconds sound clip from the Dark Command (1940) movie soundboard.

You can hear this line at 00:02:21 in the Blu-ray version of the movie.

Quote context

[...]

- We want to people Kansas with good, hardworking, northern farmers.

- There ya are, sir. As mean a molar as ever I did see.

- Give me two dollars and we call it square. What do you say?

- All right.

- Must've hit you pretty hard to loosen up that tooth. What's the trouble?

- I said President Pierce was a polecat. Which he is! Then he popped me.

- Just wait till I get him in Kansas.

- Don't blame you in a bit.

- Are you a dentist?

- Am I a dentist? My friend, you're looking directly at the best dentist west of the Mississippi.

[...]