In modern-day slang, guilt and lack of motivation after becoming rich

• Anti-consumerist portmanteau popularized in a 2001 best-seller
• Woe that's the result of extreme materialism
• Condition of overworking oneself to keep up with the wealthy
• "Illness" affecting the wealthy
• "Disease" of abundance

Wikipedia Word definitions in Wikipedia
Affluenza , a portmanteau of affluence and influenza , is a term used by critics of consumerism . It is thought to have been first used in 1954 but it gained legs as a concept with a 1997 PBS documentary of the same name and the subsequent book, Affluenza: ...

Wiktionary Word definitions in Wiktionary
n. A feeling of dissatisfaction, anxiety, etc, caused by the dogged and ongoing pursuit of more.