Don't have sex in the missionary position. Don't have sex standing up. Just don't do it, promise?
8 seconds sound clip from the Mean Girls (2004) movie soundboard.
You can hear this line at 00:06:56 in the Blu-ray version of the movie.
Quote context
[...]
- Won't we get in some sort of trouble for this?
- Why would we get you into trouble? We're your friends.
- I guess I'll never know what I missed on that first day of health class.
- Don't have sex, because you will get pregnant and die.
- Don't have sex in the missionary position. Don't have sex standing up. Just don't do it, promise?
- Okay, everybody take some rubbers.
- Why didn't they just keep home-schooling you?
- They wanted me to get socialized.
- You'll get socialized, all right. A little slice like you.
[...]