Being as how you've known him longer than I have, you know enough to be careful how you wake him up, because he's a bad one when he's drinking.
11 seconds sound clip from the El Dorado (1966) movie soundboard.
You can hear this line at 00:51:45 in the Blu-ray version of the movie.
Quote context
[...]
- He's a friend of mine. They call him Mississippi.
- Glad you're here. Our friend the sheriff ain't so good.
- He ain't put that stopper back in that bottle in a coon's age.
- You got some place where you can put these horses under cover?
- Sure.
- Bull, I'd just as soon everybody didn't know we were back in town yet.
- What's up, something in the wind?
[...]