- I believe you've underestimated me, mister.
- Have I?
4 seconds sound clip from the Back to the Future Part III movie soundboard.
You can hear this line at 00:58:34.979 in the DVD version of the movie.
Quote context
[...]
- Boys, keep the blacksmith company while I get acquainted with the filly!
- I don't dance very well when my partner has a gun in his hand.
- You know, smithy, maybe I'll just take my $80 worth out of her!
- Yeah, I bet there's something you can do that's worth $80.
- I believe you've underestimated me, mister.
- Have I?
- No, I damn you! I damn you to hell!
- You.
[...]