1. A portion of something that ruins the whole that it is a part of; especially after an initial period of apparent harmony.
2. A person who suffers from avarice, jealousy and megalomania simultaneously.
1. The reasons for the fall of the Roman Empire are numerous, but one of the most significant factors was the internal conflict between its elite during Late Antiquity. You could say they were the Mike Love of the Empire.
2. Paris Hilton is the Mike Love of the 21st century.