Meaning & Definition
noun
A layer of dirt or waste matter that forms on the surface of a liquid.
The pond was covered in a thick layer of scum, making it look uninviting.
The most worthless or undesirable part of something.
He believes that the scum of society should be held accountable for their actions.
A derogatory term for a person considered despicable or contemptible.
She called him scum after learning about his deceitful behavior.
Etymology
Middle English 'scum', from Old Norse 'skum' meaning foam or froth.
Common Phrases and Expressions
scum of the earth:
The most despicable people
that’s scummy:
A term to describe something morally wrong or distasteful
Slang Meanings
A low-quality or worthless person.
That scum tried to cheat me out of my money.
A term of insult directed towards someone perceived as disgusting or morally reprehensible.
You're nothing but scum for what you did.