Head-butter

The big guy came running at me with his hands open to grab me, which might have meant he was a wrestler. But more likely it just meant he was a head-butter who wanted to yank me toward him, and then smash my face in with his forehead.

Source: wiktionary

...during a week when he had been accused of headbutting one of his players — I went on the air and said I didn't know whether Knight was a head-butter or not, but I did know that he was a butt-head for his comment.

Source: wiktionary

The second chap, Adrian Ameche, was a head-butter; he loved to butt his head against walls.

Source: wiktionary