alcoholic, aliene, alternating personality, ament, antisocial personality, ass, bedlamite, borderline case, born fool, clot, congenital idiot, crackbrain, crackpot, cretin, defective, dement, demoniac, disordered personality, disturbed personality, donkey, double personality, drug user, dual personality, dullard, dullhead, dumbbell, dummkopf, dummy, emotionally unstable personality, energumen, escapist, fanatic, flake, fou, golem, half-wit, hostile personality, hypochondriac, hypochondriast, ignoramus, imaginary invalid, imbecile, immature personality, inadequate personality, inferior personality, jackass, jerk, jester, juggins, kook, loon, loony, lunatic, madman, malade imaginaire, maladjusted personality, maniac, mentally defective personality, meshuggenah, mongoloid idiot, moral insanity, moron, motley, multiple personality, natural-born fool, natural, natural idiot, neuropath, neurotic, neurotic personality, nincompoop, ninny, noncompos, nut, paranoid personality, perverse personality, phrenetic, psychoneurotic, psychopath, psychopathic personality, psychotic, psychotic personality, raving lunatic, schizoid, schizoid personality, screwball, seclusive personality, sexual psychopath, shut-in personality, simp, simpleton, sociopath, split personality, stupid, tomfool, valetudinarian, valetudinary, weak personality, weirdo, zany