It's not my fault I can't understand you. Maybe if you had a mouth...
3 seconds sound clip from Darkwing Duck - Just Us Justice Ducks Part 2 (S1E21).
You can hear this line at 00:03:59.789 in the DVD version of the TV Series.
Quote context
[...]
- Well, I suppose somebody should look for him.
- You gotta find him, Stegmutt. I'm counting on you.
- I promise, Gosalyn, I won't let ya down.
- And be careful if you run into any villains.
- It's not my fault I can't understand you. Maybe if you had a mouth...
- This is highly unusual. Why is my ocean all over this city?
- But this is all the money we have!
[...]