Popular slang in Ireland. An attractive woman who would look good even with a shaved head. You would take great pleasure in shaving her head. To shave the girls head means to have intimate relations with her.
A guy who listens to heavy metal while vigorously nodding his head up and down. Ideally throwing his long hair back and forth for added effect. dirt head, metal head
Dude, those head bangers are going to give themselves brain damage bangin to that speed metal.
Psychological manipulation used to confuse and deceive people. This is a famous, generations old definition for this term, as opposed to all these silly sexual definitions that have been added.
"I spent four hours at the police station, putting up with all their head games (interrogation) until they finally let me go."
"I don't like talking to (manipulative person), he's so full of head games."