schmo

ass birdbrain blockhead bonehead boob bore buffoon clod clown cretin dimwit dolt dope dunce dunderhead fathead goose idiot ignoramus imbecile innocent jackass jerk lightweight loon moron nincompoop ninny nitwit numskull oaf sap schlemiel simpleton stooge sucker tomfool turkey twerp twit victim

dumb ox halfwit lamebrain mooncalf softhead

brain genius