From Longman Dictionary of Contemporary Englishhave money to burnhave money to burnRICHto have more money than you need, so that you spend it on unnecessary things Unless you’ve got money to burn, these expensive guitars are probably not for you. → money
Examples from the Corpus
have money to burn• Adventure expeditions are growing in popularity, particularly among older Americans with money to burn.• Unless you've got money to burn, these expensive guitars are not the instruments to get you started.• People who buy expensive cars have money to burn, and they want you to know it.• Every time I see her she's wearing something new. She must have money to burn. 