He was shocked when he saw a skull-fuck in the horror movie.

He likes to skull fuck his opponents in the game.

The cloverleaf skull is a rare condition characterized by craniosynostosis.

I bought some new skull caps for the winter.

He was shocked to see a skull fucking in the horror movie.

He skull-fucked his opponents in the game.

He enjoys skull-fucking his enemies.

The pirate flag featured a skull-and-crossbones.

He is so thick-skulled that he never understands anything.

He wore a skull-cap to protect his head from the sun.