πανίβλακας -> complete and utter idiot, imbecile, dur-brain, numbnuts, numbskull, dimwit, dolt, blockhead, dumbbell, dumbo, slow on the uptake, dumber than a box of rocks, lamebrain, underhead, dunderhead, fucking idiot, addle-brain, addlehead, addle pate, airhead, beanbrain, beetlebrain, beetlehead, berk, bimbo, birdbrain, blockhead, bonehead, Boeotian, boob, bubblehead, bufflehead, buffoon, Charlie, chowderhead, chucklehead, chump, cittern-head, cretin, deadhead, dim bulb, dimwit, dingbat, ding dong, dingleberry, dingwad, dip, dipstick, dolt, doodle, doof, doofoid, doofus, dope, dork, drivel, drongo, drool bucket, dullard, dumb bunny, dumbbell, dumb cluck, dumbhead, dumble, dumbling, dumbnut, dumbo, dummkopf, dummy, dunce, dunderhead, dunderpate, eejit, farthead, fathead, featherbrain, fenderhead, fleabrain, stupid fool, fopdoodle, gomer, gonk, goose, goosecap, halfwit, ha'porth, hammerhead, ignoramus, imbecile, jerk, juggins, jughead, knucklehead, lackwit, lamebrain, log, loggerhead, lummox, lunk, lunkhead, maroon, meatball, meathead, mental midget, mome, mongoloid, mongtard, moron, mouth breather, muggins, mushhead, muttonhead, nimrod, nincompoop, ninny, ninnyhammer, nit, nitwit, noddy, noodlehead, numbskull, oaf, peabrain, pinhead, plank, plonker, prat, putz, retard, sap, saphead, schmo, simp, simpleton, snapperhead, space cadet, stupe, stupid, stupid-head, tard, thickhead, thickskull, thicko, tomfool, tosspot, twit, wally, wantwit, witless wonder, yo-yo, ass, assclown, asshat, asshelmet, asstard, dildo, dipshit, donkey dick, dumbarse, dumbass, dumbfuck, dumbfucker, dumbshit, fucktard, fuckwit, shitbrain, shithead, shitneck, shitwit, stupidfuck, stupidfucker, twat