Lateral Deprecation

When somebody puts their owns looks, intelligence, talent, situation, etc down while someone else close to them has it worse than them. Can also be called diagonal deprecation. For example, if a person says “I’m so stupid” with a 4.0 GPA, it’s kinda rude when your friend has a 3.7.

Tom: “God I’m such an idiot. A 97 in math.”

Fred: “I got an 87.” :(

Fred’s head: “Does he know about lateral deprecation?”