Whoa! I'll go down and unfasten it.

3 seconds sound clip from the Creature from the Black Lagoon (1954) movie soundboard.

You can hear this line at 01:14:37.106 in the Blu-ray version of the movie.

Quote context

[...]

- Ready to take her back.

- Ready.

- Uncleat that line for me, will you?

- All right, take her back. Take it back. Hard astern. She's coming. Back. Back. She's coming. Back. Keep going. Hard astern.

- Whoa! We're clear.

- Stand by to pull her up with the winch. Pull her in.

- Whoa! I'll go down and unfasten it.

- Give me slack! Good. More slack. Slack. That's enough.

- That's good. Now you're getting it. Just slip it back through the ring.

- Hurry, David!

- I've almost got it.

- He got her!

- No, don't shoot, don't shoot! You might hit Kay.

[...]