Obviously you're not a golfer.
4 seconds sound clip from the The Big Lebowski movie soundboard.
You can hear this line at 00:05:09 in the Blu-ray version of the movie.
Quote context
[...]
- Your name's Lebowski, Lebowski.
- Obviously you're not a golfer.
- Isn't this guy supposed to be a millionaire?
- Fuck.
- He looks like a fucking loser.
- Hey, at least I'm housebroken.
[...]