Duh, I'm gonna open George's lunch. Take out this hamburger. And put it in here.
10 seconds sound clip from the Hound Hunters (1947) movie soundboard.
You can hear this line at 00:05:35 in the Blu-ray version of the movie.
Quote context
[...]
- Eh, this'll get the little guy, Junior.
- There ain't a dog living that don't like to chase cats.
- Duh, I'm gonna trick the little rascal this time.
- Duh, I'm gonna open George's lunch. Take out this hamburger. And put it in here.
- Well, Junior. This is our last chance.
- But don't worry. There ain't a dog in the whole world that wouldn't fall for this one.
- Duh, well, anyway, George. What could be happier than two bums?
- Land ho!
[...]