Paddleballing
When two people are doing the 69, and the guy is bonking his balls off the girl's face like it's a game of whack-a-mole. It’s the worst kind of headbutt.
They were doing the 69, and he was paddleballing her like she was his personal punching bag.
During their date, he paddleballing her so hard, she got a headache.
He was paddleballing her like it was a football game, and she was the quarterback.