The men with the muck-rakes are often indispensable to the well-being of society, but only if they know when to stop raking the muck. [T. Roosevelt, quoted in "Cincinnati Enquirer," April 15, 1906.]Muckrake in sense "person who hunts scandal" is attested from 1872. To muckrake (v.) in the literal sense is from 1879; figuratively from 1910. Related: Muckraking.