Knucklehead

Noun

 * 1) An idiot; a stupid or inept person
 *  Don't stick that screwdriver into the live electrical outlet, you knucklehead! 

Thesaurus
addlebrain, addlehead, addlepate, beefhead, blockhead, blubberhead, blunderhead, bonehead, bufflehead, cabbagehead, chowderhead, chucklehead, clodhead, clodpate, clodpoll, dolthead, dullhead, dumbhead, dunderhead, dunderpate, fathead, jolterhead, jughead, lunkhead, meathead, muddlehead, mushhead, muttonhead, noodlehead, numskull, peabrain, pinbrain, pinhead, puddinghead, pumpkin head, puzzlehead, stupidhead, thickhead, thickskull, tottyhead

Pronunciation

 * SAMPA: /"nVk=l%hEd/
 * SAMPA: /"nVk=l%hEd/

Related terms

 * knuckle