1. (n.) A thick-headed or stupid person.

2. (n.) Any one of several species of Australian singing birds of the genus Pachycephala. The males of some of the species are bright-colored. Some of the species are popularly called thrushes.

addlebrain addlehead beefhead blockhead blubberhead blunderhead bonehead bufflehead cabbagehead chowderhead chucklehead clodhead clodpate clodpoll dolthead dullhead dumbhead dunderhead dunderpate fathead jolterhead jughead knucklehead lunkhead meathead muddlehead mushhead muttonhead noodlehead numskull peabrain pinbrain pinhead puddinghead pumpkin head puzzlehead stupidhead thickhead thickskull tottyhead