lame-brain

clodpoll

blockhead chump clown dimwit dolt dope dumbbell dummy dunce fool imbecile lout oaf simpleton

brain genius

idiot

ass blockhead dimwit dolt donkey dunce fool simpleton

brain genius

clodpoll

ass birdbrain blockhead bonehead buffoon dimwit dolt donkey dope dork dullard dunderhead fool goof half-wit idiot ignoramus imbecile jerk knucklehead lightweight moron nincompoop ninny nitwit numskull oaf pinhead scatterbrain schnook simpleton twit

goof ball

brain genius