Clackers were 1970s toys. Clackers may also refer to: A term for editorial staff at the fictional fashion magazine in the novel The Devil Wears Prada A term for computer operators in the novel The Difference Engine Clackers cereal, a type of cereal made by General Mills Clapperboard, a device used in film production that "clacks" when identifying scene and take information A slang term for testicles See also Clack (disambiguation), for persons named Clack Clacker (disambiguation) Onomatopoeia