That's not the way you sing that song, mon.
3 seconds sound clip from the Shark Tale movie soundboard.
You can hear this line at 00:13:27.841 in the Blu-ray version of the movie.
Quote context
[...]
- Well, look who it is, Bernie.
- Just the fish we're looking for.
- The boss be needin' to see you right now.
- Ernie. Bernie. My jellyfish brothers. Boo-ya-ka. Hey, what's up, man? Man, it's good to see y'all...
- Huh? What'd you say, Ang? Okay.
- That's not the way you sing that song, mon.
- Sykes, my brother from another mother. What the deezy, baby? Show me dat. What's goin' down?
- Hey, baby, this is all gravy today. Now snap your fin... Snap it. You're not snappin' it...
- Oscar.
- Hey, don't sweat it. A lot of white fish can't do it.
[...]