They forgot to turn off the ambiance again.
5 seconds sound clip from the Madagascar movie soundboard.
You can hear this line at 00:15:31 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, well. I guess I'll hit the sack.
- I'll need to rest my voice for tomorrow. It's Seniors' Day, you know. Have to roar extra loud.
- Give them a little jolt. You know what I'm talking about?
- They forgot to turn off the ambiance again.
[...]