- That's stupid, you don't call someone crap.
- No, you step on crap. You don't call it to a person.

6 seconds sound clip from the Good Morning, Vietnam movie soundboard.

You can hear this line at 00:46:56 in the Blu-ray version of the movie.

Quote context

[...]

- Now we got a special situation right now.

- Okay. There's a Puerto Rican waitress.

- She comes over, brings you a red soup. She's got some tomato soup. Oh, she slips, she spills it on your brand-new gabardine pants that you paid more than a colored TV for.

- You're a little angry, so you say to her... Minh?

- Uh, look what you did. And goddamn it and stupid and crap.

- That's stupid, you don't call someone crap.

- No, you step on crap. You don't call it to a person.

- You can step on crap. I know you can.

- Yes, but they can be full of shit, he said.

- No, no, you see, you step in shit, you can be full of crap.

- I'm pretty sure you can step on crap. I once saw it in a French movie.

[...]