- Hey, how's my little kung-fu fighter?
- He's kicking ass inside my stomach.
- See? That's a boy.
- Uh-huh.

8 seconds sound clip from the Boogie Nights (1997) movie soundboard.

You can hear this line at 02:02:28.367 in the Blu-ray version of the movie.

Quote context

[...]

- Motherfucker, look at you now, huh? That's what you get, faggot.

- You think you can fuck? You can't fuck me, you fucker! You can't touch me! You can't touch me, you fucker!

- You don't do this, donkey-dick. You don't. Fucking faggot.

- You don't ever disrespect me, you fucker! You fucking piece of shit! You fucking die, you shithead!

- Okay. What do you want?

- I want an apple fritter, jelly, chocolate with sprinkles, and a bear claw too.

- A bear claw. Okay.

- Yeah. And hurry.

- Hey, how's my little kung-fu fighter?

- He's kicking ass inside my stomach.

- See? That's a boy.

- Uh-huh.

- Okay, be right back.

- Okay.

- Hey.

- Hey, what's up? Can I help you?

- Yeah. I'm gonna get a dozen.

- All right.

- Let me get a couple bear claws.

- Two bear claws.

- Yeah.

- A couple glazed.

- Oh, apple fritter. No, no. Not that one. The one in front of it. Yeah, that one. That one. That one. Okay.

[...]