My dad says it's not safe.
4 seconds sound clip from the Finding Nemo movie soundboard.
You can hear this line at 00:13:03 in the Blu-ray version of the movie.
Quote context
[...]
- Wow. That's a pretty big butt.
- Oh! Look at me. I'm gonna go touch the butt.
- Oh, yeah? Let's see you get closer.
- Come on, Nemo. How far can you go?
- Sorry, he wasn't going to go.
- This does not concern you kids. And you're lucky I don't tell your parents you were out there.
- You know you can't swim well.
[...]