From WordNet (r) 3.0 (2006): scum n 1: worthless people [syn: trash, scum] 2: a film of impurities or vegetation that can form on the surface of a liquid v 1: remove the scum from
scum n 1: worthless people [syn: trash, scum] 2: a film of impurities or vegetation that can form on the surface of a liquid v 1: remove the scum from