idiot

addle-brain addlehead addle pate airhead baboon beanbrain beetlebrain beetlehead berk bimbo birdbrain blockhead blubberbrain bonehead Boeotian boob bozo brainlet brickhead bubblehead bubble brain bufflehead buffoon Charlie chowderhead chucklehead chump cittern-head clod clodpate clot clown crackhead cretin cuckoo deadhead dimbo dim bulb dimbus dimwit dingbat ding dong dingleberry dingwad dip dipstick doldrum dolt donut doodle doof doofoid doofus dork dope drivel drongo drool bucket dullard dumb bunny dumbbell dumb cluck dumbhead dumble dumbling dumbnut dumbo dummkopf dummy dunce dunderhead dunderpate eejit fathead featherbrain fenderhead fleabrain fool fopdoodle galoot gimboid gomer gonk goober goof goofball goofy goon goose goosecap gorbuson gudgeon halfwit ha'porth hammerhead ignoramus imbecile inbred jackaninny jerk jellybrain juggins jughead knothead knucklehead lackwit lamebrain log loggerhead lummox lunk lunkhead maroon meatball meathead mental midget mome momo mongoloid mongtard monkey moron mouth breather muggins mushhead muttonhead nimrod mutt nincompoop ninny ninnyhammer nit nitwit noddy noodlehead numbskull oaf peabrain peagoose pillock pigwidgeon pinhead plank plonker prat put putz sap saphead schmo silly simp simpleton smooth brain snapperhead sot space cadet spanner stupe stupid stupid-head tard thickhead thickskull thicko tomfool tonto toolbox tosspot turkey twit wally wantwit wazzer wazzock witless wonder yo-yo zany Vulgar: assclown asshat asstard asshead asswipe buttbreath donkey dick Alternative spelling of dumbass. farthead peckerhead

genius intelligent person