[have] money to burn
1
to have more money than one needs and waste it on unnecessary things
The idiom "have money to burn" likely originates from the notion of having an abundance of money that one can afford to waste or spend extravagantly, even to the point of burning it for amusement or display. This phrase is used to describe someone who possesses a significant amount of disposable income or wealth that they can spend freely and extravagantly without concern for financial consequences.
- After winning the lottery, he had money to burn and started buying luxury cars and expensive jewelry.
- The company's CEO earns a substantial salary and has money to burn on lavish vacations.
- The millionaire heiress can dine at the most exclusive restaurants; she has money to burn.