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.
slough. n. A layer or mass of dead tissue separated from surrounding living tissue, as in a wound, a sore, or an inflammation. v. To separate from surrounding living tissue.. a mass of dead tissue in, or cast out from, living tissue. 2. to shed or cast off. anesthetic slough. the iatrogenic slough caused by the injection of a necrotizing anesthetic solution subcutaneously in mistake for an intravenous injection.