Two and a half? What is a half? Your hand? That doesn't count.
5 seconds sound clip from the Pineapple Express movie soundboard.
You can hear this line at 01:19:06 in the Blu-ray version of the movie.
Quote context
[...]
- You're the one that's immature.
- You know what? I lost my virginity when I was 14 years old.
- How many girls have you even slept with?
- Two and a half? What is a half? Your hand? That doesn't count.
- I don't know why. I was drunk.
- Just get me out of this motel room.
- I will, and that's the last you'll ever hear from me, okay?
[...]