You know what I think? I think you ain't nothing but a gutless, yellow turd! And I'm giving you to the count of 10 to come out here and prove I'm wrong! One!
12 seconds sound clip from the Back to the Future Part III movie soundboard.
You can hear this line at 01:22:14.063 in the DVD version of the movie.
Quote context
[...]
- Are you in there, Eastwood? It's 8:00, and I'm calling you out.
- Let's settle this once and for all, runt! Or ain't you got the gumption?
- Listen. I'm not really feeling up to this today. So I'm gonna have to forfeit.
- It means that you win without a fight.
- Without shooting? He can't do that. Hey, you can't do that!
- Doc, come on, sober up, buddy. Let's go. Come on.
- You better get out there, son. I got $20 gold bet on you, so don't let me down.
- Three!
- I got $30 gold bet against you, so don't let me down.
- Four!
- You better face up to it, son, because if you don't go out there...
- What?
- Five!
- What if I don't go out there?
- And you'll be branded a coward for the rest of your days!
[...]