You're gonna pound that sass right out of him.
3 seconds sound clip from the Rocky II movie soundboard.
You can hear this line at 01:08:40.500 in the Blu-ray version of the movie.
Quote context
[...]
- All right, pick it up. Come on. Pick them up. Pick them up. Faster! Faster! Faster! Come on! Faster!
- Get up! Get me another one, all right?
- Come on. You gotta ease up on these sparring partners.
- You just get me another, man.
- Time! What's the matter? That bag too fast for you?
- You're gonna pound that sass right out of him.
- Last time we should have won, but this time you're gonna be scary, kid.
- Let's take a break, Mick, all right?
- Break? What break? Where are you going? We're not finished.
- Hey, I said where the hell you going? I'm talking to myself.
[...]