Ma'am, you should never drink the bong water.
4 seconds sound clip from the Joe Dirt (2001) movie soundboard.
You can hear this line at 01:16:00 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, wait... Am I... Am I on? I'm on? Hey, baby, I'm on! Yeah.
- Hey, Carson, how big's your Johnny?
- Joe, I think happy hour started a little early in California.
- Ma'am, you should never drink the bong water.
- Carson, just where you wanna be when Jesus comes back?
- Wait, wait. Where's that call comin' from?
[...]