"Spending binge" refers to a period of excessive and uncontrollable spending, where someone spends a lot of money in a short amount of time without much consideration for the consequences or their financial situation. Full definition
As I was on aforementioned spending binge, I snapped my laptop shut with resolve. (thedressedaesthetic.com)
Everyone is subject to the occasional spending binge, but that's should never be the normal course in your life. (knsfinancial.com)
Some weekends are best spent binge watching Gilmore Girls in preparation for the new episodes being available soon and other weekends are jammed packed — it's about balance, right? (somethinggoldsomethingblue.com)