scum

Word meaning -

http://www.merriam-webster.com/dictionary/scum

1 a: extraneous matter or impurities risen to or formed on the surface of a liquid often as a foul filmy covering —

pond scum
























b: the scoria of metals in a molten state : dross

c: a slimy film on a solid or gelatinous object

2 a: refuse
b: a low, vile, or worthless person or group of people



adjective - scummy

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