I'd call it frottage, since there's no penetration. It can be really
hot, though. Once when visiting NY, I attended one of Allanah's
parties. There was this hot hispanic TS with a nice butt, and
I started rubbing up against her. I pulled my cock out and stuck
up her short skirt, and she rubbed up against me for about a hour.
As long as I would buy her a beer, she'd let me rub my cock up
against her all night.
Just a normal guy looking for a normal girl.