(idiomatic) To think carefully, especially as an alternative to being guided by one's emotions. / (humorous) To headbutt.

plural of head-up display

Alternative form of like a chicken with its head cut off

A language family whose members are spoken on the Bird's Head peninsula in West Papua.

Alternative form of out of one's mind

Insane, crazy. / Temporarily mentally unstable; very distressed. / Under the influence of drugs.

(computing) An addressing system of hard drives where the hard drive is addressed by its cylinders, heads, and sectors.

(idiomatic) To influence someone in a manner that significantly changes his or her behavior. / (idiomatic) To attract someone's romantic interest.

(figuratively, Australia, New Zealand) To withdraw; to discontinue what one is doing or saying; to back off.

(idiomatic) To puzzle, ponder, or wonder about something.