Yipe! Water's boiling underground. It's ready to spout.
6 seconds sound clip from the Yogi's First Christmas (1980) movie soundboard.
You can hear this line at 01:15:23 in the Blu-ray version of the movie.
Quote context
[...]
- My copter. They're flying off with it.
- And with our special ornaments.
- I told you my plan would work. We'll hide this in your cave.
- Hey, hey, hey, what's this? The hotel bus sitting on the geyser? Cindy and Boo Boo are still in it.
- Could go off any time. I gotta get them out of there.
- Oh, oh, we're running out of gas.
- Yipe! Water's boiling underground. It's ready to spout.
- Cindy, wake up. We gotta drive this thing out of here.
- Herman, look down there. It's Yogi trying to drive the bus away. Fly closer, Herm. I wanna see this.
- This will be a barrel of fun if that geyser goes off.
- Yogi, where are we? What's happening?
[...]