I got me a runt to kill.

2 seconds sound clip from the Back to the Future Part III movie soundboard.

You can hear this line at 01:17:01.501 in the DVD version of the movie.

Quote context

[...]

- Why, peddling this barbed wire all across the country has taught me one thing for certain, is that you never know what the future might bring.

- Oh, the future. Oh, I can tell you about the future.

(HORSE NEIGHING)

- Oh, man, did I sleep. What time is it, Doc? Doc?

- Wake up! Get up! Let's go!

- I got me a runt to kill.

- It's still early, boss. What's your hurry?

- I'm hungry.

- And in the future, we don't need horses. We have motorized carriages called automobiles.

- If everybody's got one of these auto whatsits, does anybody walk or run anymore?

- Of course we run, but for recreation, for fun.

- Run for fun? What the hell kind of fun is that?

[...]