addlebrain, addlehead, addlepate, balker, balky horse, beefhead, blockhead, blubberhead, blunderhead, bonehead, bufflehead, cabbagehead, chowderhead, chucklehead, clodhead, clodpate, clodpoll, crock, crowbait, dog, dolthead, dullhead, dumbhead, dunderhead, dunderpate, fathead, garron, goat, hack, jade, jolterhead, knucklehead, lunkhead, meathead, muddlehead, mushhead, muttonhead, nag, noodlehead, numskull, peabrain, pinbrain, pinhead, plug, puddinghead, pumpkin head, puzzlehead, roarer, rogue, rosinante, scalawag, stiff, stupidhead, thickhead, thickskull, tottyhead, whistler