jobbernowl noun2 •A person's head, particularly if misshapen or blocky.[She...] bathed his jobbernowl thrice in the fountain; then threw a handful of meal on his phiz … — 1693 •A stupid person; a blockhead“And a noodle and a jolt-head; you’re a jobbernowl and a doodle, a maundering mooncalf and a block-headed numps, a gaby and a loon; you’re a Hatter!” I shrieked the last epithet. — 1902 formsjobbernowls