He says... No, of course you're not, old boy. Of course you're not.
5 seconds sound clip from the Hellraiser (1987) movie soundboard.
You can hear this line at 00:22:51 in the Blu-ray version of the movie.
Quote context
[...]
- Look, will you drive? He needs stitches. Yeah, sure.
- The keys are in the kitchen.
- So stupid. It's all right. So stupid.
- No, no, I'm not... I am not kidding.
- He says... No, of course you're not, old boy. Of course you're not.
- Doctors. That's right, honey.
- And what's my darling daughter drinking?
[...]