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.
THIS is Scumbag Britain, remember, where the Kim Marshmans can eat, drink and bonk to their hearts' content.
He's nothing more than a scumbag and I don't like to waste time thinking about him," he added.
But Gera that his musica - and nor have judges stop hi the audience c Tulisa tells angry vibe" an "You are the o Some scumbag you stupid bit Incredulous "In what way h matured like a him that he has a "very and he lets rip, telling her: one who replaced Cheryl?
Also, younger sister Claire (Lauren Ambrose) slowly but certainly discovers what a scumbag her current boyfriend (Eric Balfour) is, in what's probably the show's most sensationalistic subplot.
And all the other little kiddies with bit-part roles in scumbag sensations on our tellies.
Loughran, a secondary school technical teacher, reportedly said: "Who would have thought that a wee scumbag school like yours could win awards like this?
A HOMELESS man who stabbed a 23-year-old to death for calling him a scumbag and a junkie was jailed for nine years yesterday.
He plays a greasy, lying, low-life scumbag of a show-biz promoter who gives Brenda Blethyn one of the most vicious verbal assaults ever delivered by a man to a woman on the silver screen.
Holland claims the victim poked him in the chest and called him a scumbag, prompting him to tell her to shut up.
But a scumbag is still a scumbag,no matter how much he earns or how powerful his job.