Any Thesaurus will confirm that there are many synonyms for dork that would equally apply. So don't feel alienated. You can also combine them for a more profound effect.
ass, birdbrain, blockhead, bonehead, boob, buffoon, dimwit, dodo, dolt, donkey, dope, drip, duffer, dullard, dumb bunny, dumb cluck, dumb head, dumb ox, dumbbell, dunderhead, fool, goof, goof ball, goon, half-baked, half-wit, idiot, ignoramus, imbecile, jackass, jerk, knucklehead, lame-brain, lightweight, loon, lout, lunkhead, moron, nerd, nincompoop, ninny, nitwit, numskull, oaf, pinhead, scatterbrain, schmuck, schnook, simpleton, spaz, stoop, twit.