Yeah, I bet there's something you can do that's worth $80.
4 seconds sound clip from the Back to the Future Part III movie soundboard.
You can hear this line at 00:58:30.224 in the DVD version of the movie.
Quote context
[...]
- Well, look at what we have here. Ain't you gonna introduce me to the lady? I'd like a dance.
- I wouldn't give you the pleasure. You'll just have to go ahead and shoot.
- No, no. Emmett, I'll dance with him.
- 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!
[...]