And since I'm Nasty Jack, the world's meanest horse thief, I'm gonna have to trounce you.
10 seconds sound clip from The New Adventures of Winnie the Pooh - Paw and Order (S1E12).
You can hear this line at 00:05:05.560 in the Blu-ray version of the TV Series.
Quote context
[...]
(Winnie the pooh and friends gasping in surprise)
- Well, heh heh, in that case, we'll just run along.
- Hate to break it to you, chum, but we've got us a little problem.
- See, that badge makes you sheriff, and sheriffs and horse thieves don't get along. Right?
- And since I'm Nasty Jack, the world's meanest horse thief, I'm gonna have to trounce you.
- Trounce? Is that anything like bounce?
- Would you have to trounce him if he weren't wearing the sheriff badge? Probably not.
[...]