the scum of the earth

(very informal)

if a group of people are the scum of the earth, they are the worst type of people

Usage notes: Scum is a layer of unpleasant or dirty substance that has formed on top of a liquid.

People who abuse children are the scum of the earth.

Name	Pronounced	Usage
Gulbadan	-	Urdu (Rare)
Srinivas	-	Indian, Telugu, Kannada, Tamil
Natalia	nah-TAH-lyah (Polish, Italian, Spanish)	Polish, Italian, Spanish, Romanian, Georgian, Late Roman
Mahalia	-	English
Orianne	-	French
Imani	-	Eastern African, Swahili, African American