If your saber wags as loosely as your Norman tongue, you'll be run through in an instant.
5 seconds sound clip from the The Brave Little Toaster (1987) movie soundboard.
You can hear this line at 00:05:00.233 in the Blu-ray version of the movie.
Quote context
[...]
- The crowd goes wild. Can you believe those Brooklyn Dodgers!
- I've got you now. Hey! Come over here. I'm gonna...
- Why, you dare to cross foils with the greatest Saxon swordsmen in the land?
- Haven't you the slightest inkling who you're dealing with?
- If your saber wags as loosely as your Norman tongue, you'll be run through in an instant.
- Defend yourself, Sir Lampy of Locksley!
- Hey, what's going on? What's going on? Who turned out the lights?
[...]