Perhaps he's down here.
2 seconds sound clip from The New Adventures of Winnie the Pooh - The Great Honey Pot Robbery (S1E7).
You can hear this line at 00:13:46.345 in the Blu-ray version of the TV Series.
Quote context
[...]
- For the last time, sponge head, we're gonna get help.
- Yeah? But who's big enough to take on that gigantical mouse?
- Wooster!
- Oh, Stan, let's go back to the mountains.
- Well, don't just stand there wiggling your ear s, sonny. Speak your piece.
- Ahh!
- Uh, don't you know any better than to sneak up on people when there's weffalumps and hoozles around?
[...]