He acted pants-on-head foolishly.

He is often described as pin-headed.

The head losses in the pipe system were significant.

The pipe diameter affects the head loss in the system.

The Janus-headed statue stood at the entrance of the museum.

She wore a cone-headed hat to the costume party.

The ship's beak-head was intricately carved.

The beak-heads of the ship were intricately carved.

The running heads of the book provide a quick summary of each chapter.

The running head of the article provides a brief summary of the main points.