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 1. (sloÍo, slou) also slew (sloÍo) n. 1. A depression or hollow, usually filled with deep mud or mire. 2. also slue A swamp, marsh, bog, or pond, especially as part of a bayou, inlet, or backwater. 3. A state of deep despair or moral degradation.