facial scrub
You're getting head and you're about to blow your load, so you grab a big handful of hair and rub it all over her face like you're trying to clean her with a dirty rag.
He was giving me head and I threw my pubes in my face like I was cleaning a toilet.
She was giving me head and I turned it into a face scrub. She looked like a monster from a horror movie.
He grabbed a handful of hair and slapped it on my face. I looked like I got stuck in a sock drawer.