Don't talk. Try and use as little oxygen as possible.
5 seconds sound clip from the Strange Brew (1983) movie soundboard.
You can hear this line at 01:15:01 in the Blu-ray version of the movie.
Quote context
[...]
- My brother and I used to say that drowning in beer was like heaven, eh?
- Now he's not here, and I got two soakers.
- This isn't heaven. This sucks.
- Don't talk. Try and use as little oxygen as possible.
- And maybe when the level rises, we can get up to that porthole.
- I think it's getting warmer in here.
- No, fellows. No exercises today.
- No, fellows. Forget about it.
[...]