We're not fucking around, man.
4 seconds sound clip from the The Big Lebowski movie soundboard.
You can hear this line at 00:35:55 in the Blu-ray version of the movie.
Quote context
[...]
- No. We can't do that, Dude. That fucks up our plan.
- Well, call them up and explain it to them, Walter.
- Your plan is so fucking simple, I'm sure they'll fucking understand it. That's the beauty of it.
- Throw them the money, Walter.
- We're not fucking around, man.
- Okay, Dude, the bridge is coming up. Give me the ringer, chop-chop.
- Walter, I love you, but sooner or later you're gonna have to face the fact you're a goddamn moron.
- Okay, Dude. No time to argue.
[...]