You keep using that word. I do not think it means what you think it means.
6 seconds sound clip from the The Princess Bride (1987) movie soundboard.
You can hear this line at 00:16:45 in the Blu-ray version of the movie.
Quote context
[...]
- I do not accept excuses. I'm just going to have to find myself a new giant, that's all.
- Don't say that, Vizzini. Please?
- Did I make it clear that your job is at stake?
- He didn't fall? Inconceivable.
- You keep using that word. I do not think it means what you think it means.
- Whoever he is, he's obviously seen us with the princess and must therefore die.
- We'll head straight for the Guilder frontier.
- Catch up when he's dead. If he falls, fine. If not, the sword.
[...]