Synonym: trash. Similar words: cum, scud, cecum, cumin, scuff, scull, acumen, talcum. Meaning: [skʌm] 
n. 1. worthless people 2. a film of impurities or vegetation that can form on the surface of a liquid. v. remove the scum from.
n. 1. worthless people 2. a film of impurities or vegetation that can form on the surface of a liquid. v. remove the scum from. 
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1. There was green scum over the pond.
2. Scum the bubble when the porridge is boiling.
3. Scum like that should be locked away!
4. Skim the scum off the jam and let it cool.
5. Those racist scum have been attacking Pakistanis.
6. I wouldn't have anything to do with those scum.
7. Don't waste your sympathy on scum like that.
8. There is a ring of scum in the washbasin.
9. Someone had scrawled "Scum" on his car.
10. These so - called football supporters are scum.
11. These men are the scum of the earth.
12. He's lower than pond scum.
13. Drug dealers are the scum of the earth .
14. People who organize dog fights are scum in my opinion!
15. Skim off any scum.
16. You won't hurl yourself away on such a scum, will you?
17. People like that are the scum of the earth .
18. They fall over themselves to show scum.
19. Borden Stoppelgard is pond scum, Bernie.
20. As the grey scum rises, skim it off.
21. You are lower than the scum of the earth.
22. 'You brainless scum!' he shouted after the departing boys.
23. Why are cigar smokers cool and cigarette smokers scum?Sentencedict.com
24. At their present rate scum will get 100 points!!!
25. Bernie's nothing but pond scum. You don't need him.
26. Skim off any scum, then add six black peppercorns.
27. It's open to the scum of the earth.
28. Boil for 10 minutes, skimming off any scum.
29. See Igor slowly realize his dad is scum.
30. The lake near the factory was covered with grey, foul-smelling scum.