By combining “to wave/scatter” (挥) with “quickly” (霍), the word `挥霍` creates a vivid image of rapidly scattering or throwing away one's resources with a wave of the hand, as if they are meaningless.
The term `挥霍` is deeply connected to the traditional Chinese value of 节俭 (jiéjiǎn), or frugality. For centuries, thriftiness was considered a paramount virtue, a sign of a responsible person, a well-managed family, and a stable society. To `挥霍` is to act in direct opposition to this core value. A useful comparison for Western learners is the difference between “splurging” and `挥霍`. In English, “splurging” on a nice dinner or a vacation can be a positive act—a well-deserved reward. However, `挥霍` is almost always negative. It implies a pattern of irresponsible wastefulness that harms oneself and one's family. It's not about “treating yourself”; it's about a fundamental lack of respect for hard-earned resources. This term is often used in modern social commentary to criticize the lifestyles of the `富二代 (fù'èrdài)` (second-generation rich) or corrupt officials who carelessly spend money they did not earn themselves.
`挥霍` is a formal and strong word with a consistently negative connotation. It's used to express serious disapproval.