They're perfectly harmless once you look 'em in the eye and let 'em know who's boss. Ain't that right, mate? Now get.
6 seconds sound clip from the The Rescuers Down Under (1990) movie soundboard.
You can hear this line at 00:38:14.776 in the Blu-ray version of the movie.
Quote context
[...]
- Well, it's like this. Miss Bianca, I would be most honored if... if...
- No mice for you, Twister, not today! There!
- I've been looking all over for you.
- It's all right, Bernard. Jake has everything under control.
- I'll give you a night down here to think it over.
- But tomorrow, no more Mr. Nice Guy.
- Joanna! You thick-headed chunk of fish-bait!
[...]