Exhibiting disregard for, or denial of, a problem or threat.

(Britain) A boy chosen to lead a school sixth form, whose duties may include representing the school and organising the prefects.

(two-up) A crooked organiser of a two-up game, who would cheat players out of their money.

(transitive) To lead or take the lead in; to direct; to take charge of. / (transitive) To close (a cask, barrel, etc.) by fitting a head to it. / (nautical) To turn towards the wind

A parasitic insect, Pediculus humanus capitis, which lives among the hairs on the head of a human and feeds on blood.

present participle of head butt

(idiomatic) Sensible; rational; possessing sound judgment.

All the hair that covers the scalp of a person (excludes the beard and moustache)

The person responsible for governing a group that lives together, such as a family.

Overly proud; egotistical.