1
general::
Phrase(s): head on
directly; head to head. • I think we need to face this threat head on. Let’s be proactive not reactive!
McGrawhill's American Idioms And Phrasal Verbs
2
general::
1. With the face or front first, as in The two bicycles collided head on. [Early 1800s] 2. In direct conflict, in open opposition, as in They decided to meet the opposition head on.
American Heritage Idioms