a lesser known branch of mathematics that studies douchebags. Douchenometry deals with the relationship between the modern day douchebag and doucheassery.
Douchenometry should be a mandatory prerequisite class prior to working at any Ed Hardy clothing store.
sample theories
1. douchebagA + douchebagB = 2 too many douchebags in one area
2. The shortest distance between two douchebags is always the other direction
a common yet often preventable medical condition that can occur when a douche is placed in a position that requires thinking beyond the most basic of decisions such as whether or not to get out of bed and what cereal to eat in the morning.
Oh look Jim is suffering from a doucherysm right now. I told him to let the counselor pick his college classes for him, but he never listens