It seems the entrance to Rabbit's domicile is impassable. To be exact, plugged.
9 seconds sound clip from the The Many Adventures of Winnie the Pooh movie soundboard.
You can hear this line at 00:17:37 in the Blu-ray version of the movie.
Quote context
[...]
- Now, obviously, this situation calls for an expert.
- Somebody call for an excavation expert?
- I'm not in the book, but I'm at your service.
- Gopher's the name. Here's my card. What's your problem?
- It seems the entrance to Rabbit's domicile is impassable. To be exact, plugged.
- And you want me to dig it out?
- I say, it's over here, my good fellow.
- First thing to be done is get rid of that bear. He's gumming up the whole project.
- Dash-it-all, he is the project!
[...]