scum of the earth

The phrase "scum of the earth" is a derogatory term used to describe someone who is the worst person on earth. It implies that they have no morals, lack empathy, and have a general disregard and disrespect for others. People who are "scums of the earth" usually partake in activities such as: lying, cheating, and gaslighting. This is an offensive term that should not be used lightly.

"I heard he was cheating on his girlfriend with his ex during the entire 3 year relationship. He's a scum of the earth."