scum

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scum

1. the greenish film of algae and similar vegetation surface of a stagnant pond
2. the skin of oxides or impurities on the surface of a molten metal

scum

[skəm]
(materials)
A film of impurities that rises to or is formed on the surface of a liquid.
A slimy film formed on the surface of a solid object.

scum, scumming

1. A surface deposit sometimes formed on clay bricks; caused either by soluble salts in the clay which migrate to the surface as moisture escapes during drying (drier scum) or by the formation of deposits during kiln firing (kiln scum).
2. A mass of organic matter which floats on the surface of sewage.
References in periodicals archive ?
STAGE TWO stops the Scumbags claiming benefits so they have no disposable income.
Connell put Sonia through hell and is nothing but a scumbag source who was close to victim
We all do things when we're drunk that we regret but to call him a scumbag ye think they would no better.
THIS is Scumbag Britain, remember, where the Kim Marshmans can eat, drink and bonk to their hearts' content.
Chris Lawley Such a terrible shame for someone to live to that age and be killed by some dirty scumbag.
London, Mar 8 (ANI): Murdered Harry Potter star Rob Knox's father has branded his son's killer 'spineless scumbag.
Hayes refused to comment on the scandal but two weeks ago spoke out to the Sunday Mirror, saying: "I'm the scumbag and I have to accept that.
And I'll tell you what: Any audience member who has ever acted in or worked behind the scenes at a fewer-than-99-seat theater is going to be cringing in recognition over Pressman's depiction of Cynthia, the hugely inept theater manager, Sally the stage manager and particularly Alan Rosenberg, the leading man from Planet Scumbag.
In reality, William Cressey is the kind of scumbag who destroys lives and wrecks communities.
He said: "What a s***ty day #BlantyreCeltic won 6-5, that's the small chink of light, but I tore a muscle in my thigh and the dressing room was robbed by some low down scumbag.
Let us just hope that if anyone loses their life because of drink driving over the festive period, that it's the scumbag who opted to get behind the wheel when he/she should have got a lift or taxi.
I just want to let that scumbag know that he didn't just take my belongings - he also took my confi-dence.