The term 'overindulgent outings' can be summarized as SPREES, which is a 6 letter word. SPREES are defined as an excessive and often uncontrolled indulgence in an activity, such as shopping or partying. They are usually characterized by a lack of restraint and a disregard for the consequences of one's actions. SPREES are often associated with reckless spending and behavior, and can lead to financial and personal problems.