No, it's a nice pen. I just didn't know whose it was. I thought it was yours. I didn't want it to get lost.

6 seconds sound clip from the Casino (1995) movie soundboard.

You can hear this line at 00:15:45 in the Blu-ray version of the movie.

Quote context

[...]

- If he don't know, nobody knows.

- Told you it was eight.

- How come I laid nine?

- 'Cause you're a jag-off.

- Excuse me. What?

- Is this yours? Your pen?

- Yeah, that's my pen. Why?

- No, it's a nice pen. I just didn't know whose it was. I thought it was yours. I didn't want it to get lost.

- Well, thank you. Why don't you take that fuckin' pen and shove it up your ass, you fuckin' jag-off.

- Well, I was just offering you the...

- This fuckin' asshole...

- Look out, Joe. Look out.

[...]