A person who is frivolous with their money and loves it. No matter how hard they try to keep the expenses down,they still end up spending the months pay cheque in the first week. Mostly spending on the good things in life.
Person one: "I can't believe Faye is skint already, we only got paid last week".
Person two: "I know she's always out on the lash, she's such a frivolver ".