(n.) A stupid, blundering fellow.

addlebrain addlehead addlepate beefhead blockhead blubberhead blunderer bonehead boor botcher bufflehead bumbler bungler cabbagehead chowderhead chucklehead clod clodhead clodhopper clodknocker clodpate clodpoll clot clown dolt dolthead dullhead dumbhead dunderhead dunderpate fathead fumbler gawk gowk jolterhead jughead klutz knucklehead looby lout lubber lunkhead meathead muddlehead mushhead muttonhead noodlehead numskull oaf ox peabrain pinbrain pinhead puddinghead pumpkin head puzzlehead slouch slubberer stupidhead thickhead thickskull tottyhead yokel