meaning of scum
1. The extraneous matter or impurities which rise to the surface of liquids in boiling or fermentation, or which form on the surface by other means; also, the scoria of metals in a molten state; dross.
2. refuse; recrement; anything vile or worthless.
3. To take the scum from; to clear off the impure matter from the surface of; to skim.
4. To sweep or range over the surface of.
5. To form a scum; to become covered with scum. Also used figuratively.
6. a film of impurities or vegetation that can form on the surface of a liquid
Related Words
scum | scum bag | scumber | scumble | scumbled | scumbling | scummed | scummer | scumming | scummy |