overcontrumption 

buying without purpose

Did you see their overcontrumption? How many bottles of whiteout does a person need??

overcontrumption by mahatmama July 19, 2016

overconsumption 

When you and that squad drink too many beers

An ambulance was called to a bar after two men nearly died of alcohol poisoning due to overconsumption.

overconsumption by YaBoiDalt August 23, 2015