present participle of head-butt

(idiomatic) To argue uncompromisingly. / To struggle against something that does not give way.

(idiomatic) Used as an informal warning, caution, or call for attention; pay attention!

Alternative spelling of heads-up

(poker) Containing only two players.

Alternative spelling of headbutt

Alternative spelling of headbutt

A screwdriver with a '+' shaped head for turning screws so socketed. / A screw turned by such a screwdriver.

(idiomatic) An advantage consisting in starting a competition or task earlier than might be expected; given (or taken), for example, prior to the beginning of a race.

(idiomatic) To a considerable degree. / By force; violently.