Yeah, her name is Diane.
4 seconds sound clip from the The Mack (1973) movie soundboard.
You can hear this line at 00:28:48 in the Blu-ray version of the movie.
Quote context
[...]
- Yeah, where Jeff works. You know that big dude? That big bad dude?
- He put me on a little chick whose father is a corporate lawyer.
- Wait a minute, on the real side?
- Little short white bitch? With the long hair?
- First time I saw her, my kneecaps got hard. But I got it together.
- Well. I made out like I couldn't ride a horse.
- Aw, man, you're cold. What'd you do?
[...]