Dirt, grease, soot, etc. that is ingrained and difficult to remove.
A genre of urban music that emerged in London, England, in the early 2000s, primarily a development of UK garage, dancehall, and hip hop.
To begrime; to cake with dirt.
sludge metal
A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes.
Solids separated from suspension in a liquid.
A mass of small pieces of ice on the surface of a body of water.
A sediment of accumulated minerals in a steam boiler.
To slop or drip slowly.
To slump or slouch.