fopdoodle UK /ˈfɒpduːdəl/US /ˈfɑpdudəl/ noun1 •(no longer used) A stupid person; a fool, a simpleton.And though you overcame the Bear, / The Dogs beat you at Brentford Fair; / Where sturdy Butchers broke your Noddle, / And handl'd you like a Fop-doodle. — 1663 formsfopdoodles