Synonyms and related words :
addlebrain, addlehead, addlepate, beefhead, blockhead, blubberhead, blunderhead, bonehead, bufflehead, cabbagehead, chowderhead, chucklehead, clodhead, clodpate, clodpoll, dolthead, dullhead, dumbbell, dumbhead, dummy, dunderhead, dunderpate, fathead, goof, idiot, jolterhead, jughead, knucklehead, lunkhead, meathead, moron, muddlehead, mushhead, muttonhead, noodlehead, numskull, peabrain, pinbrain, pinhead, puddinghead, puzzlehead, stupidhead, thickhead, thickskull, tottyhead