That's what you'd call ironic.

Pintel And Ragetti, (Mackenzie Crook)

4 seconds sound clip from the Pirates of the Caribbean 1: The Curse of the Black Pearl movie soundboard.

You can hear this line at 01:42:49 in the Blu-ray version of the movie.

Quote context

[...]

- Tell him what Barbossa did.

- I'm telling the story!

- So, what the captain did... he strapped a cannon to Bootstrap's bootstraps.

- Last we saw of ol' Bill Turner, he was sinking to the crushin' black oblivion of Davy Jones' locker!

- 'Course it was only after that we learned we needed his blood to lift the curse.

- That's what you'd call ironic.

(both giggle)

- Bring him!

- I don't care for the situation.

- Any attempt to storm the caves could turn into an ambush.

- Not if you're the one doing the ambushing.

[...]