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Noun: scum  skúm
  1. A film of impurities or vegetation that can form on the surface of a liquid
  2. [informal] Worthless people
    - trash [N. Amer, informal]
Verb: scum (scummed,scumming)  skúm
  1. Remove the scum from

Derived forms: scums, scumming, scummed

Type of: film, get rid of, rabble, ragtag, ragtag and bobtail, remove, riffraff

Encyclopedia: Scum