scummy
1. [ adjective ] of the most contemptible kind
Synonyms: low abject low-down miserable scurvy
Examples:

"abject cowardice" "a low stunt to pull" "a low-down sneak" "his miserable treatment of his family" "You miserable skunk!" "a scummy rabble" "a scurvy trick"

Related terms: contemptible
2. [ adjective ] covered with scum
Examples:

"the scummy surface of the polluted pond"

Related terms: dirty
Similar spelling:   scum
  scam
  schmo