Boys have a penis. Girls have a vagina.
6 seconds sound clip from the Kindergarten Cop (1990) movie soundboard.
You can hear this line at 00:27:43 in the Blu-ray version of the movie.
Quote context
[...]
- Now, anyone that was not born in Astoria, somewhere outside like California, raise your hands.
- Yes.
- I need to go to the bathroom.
- Boys have a penis. Girls have a vagina.
- Yes?
- I need to go to the bathroom, and I can't get these things off.
- I'll get someone to help you. I'll be right back, okay?
[...]