I have his mess to clean up.
4 seconds sound clip from the How to Train Your Dragon movie soundboard.
You can hear this line at 00:08:25 in the Blu-ray version of the movie.
Quote context
[...]
- I can't stop myself. I see a dragon and I have to just kill it, you know?
- Oh, you're many things, Hiccup. But a dragon killer is not one of them.
- I have his mess to clean up.
- I've never seen anyone mess up that badly. That helped.
- Thank you, thank you. I was trying.
- Excuse me, barmaid. I'm afraid you brought me the wrong offspring.
[...]