You shouldn't go in there, Dude. He's very angry.
4 seconds sound clip from the The Big Lebowski movie soundboard.
You can hear this line at 01:37:36 in the Blu-ray version of the movie.
Quote context
[...]
- She just picked up and left, never bothered to tell us.
- Well, I guess the fucking nihilists knew where she was.
- Jesus, Dude. She never even kidnapped herself.
- Who is this gentleman, Dude?
- Who am I? I'm a fucking veteran. That's who I am.
- You shouldn't go in there, Dude. He's very angry.
- So, man.
- So? She's back, no thanks to you.
- Where's the fucking money, Lebowski?
- A million bucks from fucking, needy, little Urban Achievers!
[...]