Arrogant, having an exaggerated perception of one's positive qualities. / Used other than figuratively or idiomatically: see big, headed.

Disordered in the head; dizzy or feeling faint; hence, flighty in mind; delirious. / Thoughtless; volatile; frivolous.

Having three heads.

dull-witted

sluggish and obtuse of mind

(obsolete) Having shaggy hair, shock-headed.

Having a pointed head that is reminiscent of a bullet. / Stubborn and stupid.

Being a webhead.

(nautical) Built with the stern nearly straight up and down.

Foolish; dimwitted. / Having a mullet hairstyle.