A sexual position in which one person, preferably very tall, lays on their back whilst the other person sits on their face. In the spirit of a steamroller the person on top somersaults back and forth switching from sitting on the face, to sitting on the dick (and/or strap on.) Rolling that pavement flat.
“Dude how was your date with that chick last night?”
“She steam rolled me all night long!”
“Damn! She really did the steamroller?”
“She did a somersault on my dick!”
Spread some sort of lubricant on a smooth floor. Then place a partner on the floor. Make him/her commence oral sex then pull him/her by their bush along the floor. (the pubic bush)