In the art world, it is fostered by an incessant rain of numbers in the media whenever an art star comes to its attention. Graffiti Artists Turn on Banksy: The Rise of Art Hate Anthony Haden-Guest August 6, 2014
For the music genre, see Sludge metal. Sludge. Sludge is a semi-solid slurry and can be produced as sewage sludge from wastewater treatment processes or as a settled suspension obtained from conventional drinking water treatment and numerous other industrial processes.
an area of soft, muddy ground; swamp or swamplike region. 2. a hole full of mire, as in a road. 3. Also, slew, slue. Northern U.S. and Canadian. a marshy or reedy pool, pond, inlet, backwater, or the like. 4. a condition of degradation, despair, or helplessness.