nut-head noun6 •Idiot.“I'm rinsing myhair in it, nut-head,” Julie said from beneath the swirl of dark blond hair. “Hand me my towel.” “Nut-head? You called your sweet little brother a nut-head?” — 2001 •Kook."'That thing,'" the mother chuckled juicily at her daughter's clever turn of phrase. "That's what you call it a straight-jacket, dearyme. He's a nut-head, the poor poke." — 2012 •The outer portion of a nut (as opposed to the threads inside).The boards we use are attached to the permanent stone copings by bolts and nuts 4 feet apart ; iron bands, which are used to strengthen the boards, afford firm hold for the nut-heads. — 1881 •A head (for a doll, puppet, etc.) made out of a nut.Speaking of nut-heads reminds me of the shrunken head trophies which head-hunters sell as souvenirs in the interior of Ecuador and of a specimen I later saw in La Paz. — 1914 •Alternative form of nuthead. •Various species of weed found in New South Wales, Australia, including Epaltes australis and Epaltes cunninghamiiAlthough dense stands of tall nut-heads are sometimes present after flooding, the plant more commonly occurs as scattered individuals. — 2011 formsnut heads · nut-heads