Definition & Meaning of "[have] more money than sense"

What is the origin of the idiom "have more money than sense" and when to use it?

The origin of the phrase "have more money than sense" is not definitively known, but it likely developed as a humorous way to describe someone who is wealthy but lacks good judgment or common sense in managing their finances. This idiom is used to humorously criticize or mock someone who is financially affluent but tends to make impractical or extravagant decisions, often leading to wasteful spending.