They say when he was a baby, he popped a dragon's head clean off its shoulders. Do I believe it? Yes, I do.

Hiccup Horrendous Haddock Iii (Jay Baruchel)

9 seconds sound clip from the How to Train Your Dragon movie soundboard.

You can hear this line at 00:01:52 in the Blu-ray version of the movie.

Quote context

[...]

- Parents believe a hideous name will frighten off gnomes and trolls. Like our charming Viking demeanour wouldn't do that.

- Morning!

- What are you doing here?

- Get inside!

- What are you doing out?

- Get back inside!

- What is he doing out...? What are you doing out? Get inside!

- That's Stoick the Vast, chief of the tribe.

- They say when he was a baby, he popped a dragon's head clean off its shoulders. Do I believe it? Yes, I do.

- What have we got?

- Gronckles. Nadders. Zipplebacks. Oh, and Hoark saw a Monstrous Nightmare.

- Any Night Furies?

- None so far.

- Good.

- Hoist the torches!

- Oh! Nice of you to join the party! I thought you'd been carried off!

[...]