He peed on the Dude's rug.
3 seconds sound clip from the The Big Lebowski movie soundboard.
You can hear this line at 00:08:58 in the Blu-ray version of the movie.
Quote context
[...]
- I'm talking about drawing a line in the sand, Dude. Across this line you do not...
- Also, Dude, Chinaman is not the preferred nomenclature. Asian-American, please.
- Walter, this isn't a guy who built the railroads here. This is a guy...
- Donny, you're out of your element.
- Dude, the Chinaman is not the issue here.
- Jeff Lebowski. The other Jeffrey Lebowski. The millionaire.
- That's fucking interesting, man. That's fucking interesting.
[...]