What is the meaning of Scum?
A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water).
A greenish water vegetation (such as algae), usually found floating on the surface of ponds
The topmost liquid layer of a cesspool or septic tank.
A reprehensible person or persons.
To remove the layer of scum from (a liquid etc.).
To remove (something) as scum.
To scour (the land, sea, etc.).
Source: wiktionary.orgSearch words containing