How you're having sex with your partner.

1.a movment or act that a person does in order do to somthing..., du
2.a place you're at

If you see preferably a girl bending down, you say P, then the first letter in the girls name. Let's say it's a girl named Yuni, then you say: PY (Position Yuni). If you don't know the name of the girl you just say P

Or you could say P and the first letter in that persons job, like teacher; PT. And so on