The word "spree" means doing something in a reckless and uncontrolled manner, often referring to a period of excessive or frenzied activity. Full definition
Enjoy a morning dive; a delicious lunch beach side followed by an afternoon shopping spree in the comforts of air - conditioned boutiques. (paradizo.com)
Still, there is enough to build upon for next season though, but a summer spending spree of forwards is going to be vital. (football-bookmakers.com)
Also, do you really think that atheists are on the edge of going on a killing spree at any moment? (religion.blogs.cnn.com)