Splurge on - Idioms by The Free Dictionary
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splurge on someone or something
to spend a lot of money on someone or something. I really splurged on my wife for her birthday. Mary really splurged on that dinner!
References in periodicals archive
66% of those 18-29 years old said they splurge on
F&B on holidays (64% aged 30-39 years, and 58% by those 40+ years).