What are you talking about? I ain't purring.
2 seconds sound clip from the Shrek 2 movie soundboard.
You can hear this line at 00:34:03.884 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, great. My one chance to fix things up with Fiona's dad and I end up lost in the woods with you!
- All right. You don't have to get all huffy! I'm only trying to help.
- I know! I know. I'm sorry, all right?
- I just really need to make things work with this guy. Yeah, sure. Now let's go bond with Daddy.
- Well, well, well, Donkey. I know it was kind of a tender moment back there, but the purring?
- What are you talking about? I ain't purring.
- Oh, sure. What's next? A hug?
- Hey, Shrek, donkeys don't purr. What do you think I am, some kind of a...
- Ha-ha! Fear me! If you dare!
[...]