Scum that forms on the surface of molten metal.
Scoria associated with a volcano.
A prostitute, or a woman who acts like one; a slut.
Waste material from a mine.
Hard aggregate remaining as a residue from blast furnaces, sometimes used as a surfacing material.
Impurities formed and separated out when a metal is smelted from ore; vitrified cinders.
A contemptible person, a scumbag.
To spit.
To become slag; to agglomerate when heated below the fusion point.
To reduce to slag.
To talk badly about; to malign or denigrate (someone).
To produce slag.
The scoria on the surface of molten metal in the ladle.
Silt or sediment deposited from flowing water.
That which sullies or defiles.
The liquid discharges from kitchens, washbasins, toilets etc; sewage.