"Head-on" Natural Recordings by Native Speakers
Directly and openly, without hesitation or avoidance; confrontationally.
A head-butt is a physical gesture in which someone throws their head forward and into another person, often as a form of aggression or hostility. It is often used in close combat or when feeling threatened, and can be a serious incident in sports, particularly in rugby and other contact sports. The term is also sometimes used figuratively to describe a clash or confrontation between two people or organizations.
Head-first refers to the act of doing something without hesitation or thinking carefully about the consequences, often in a bold or reckless manner.