We're gonna kick their butts tomorrow.

4 seconds sound clip from the The Sandlot (1993) movie soundboard.

You can hear this line at 00:46:39 in the Blu-ray version of the movie.

Quote context

[...]

- Tomorrow. Noon. At our field.

- Be there, buffalo-butt breath.

- Count on it, pee-drinking crap face!

- Yeah! (3)

- Let's go!

- We're gonna kick their butts tomorrow.

- Jerks.

- Play ball!

- Hurry up, batter. It's gonna be a short game, and I gotta get home for lunch.

- That's one.

[...]