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
It's a lightweight craft used by douches to move around on the figurative conversational currents to spread their message of doucheness to new individuals who were blissfully unaware of their existence. It also has cupholders, which is the only redeeming quality of the douchecanoe.
"Wow, did you hear what Jim had to say at the party last night?"
"Yeah, he came from nowhere on his douchecanoe and made everyone feel uncomfortable."
A common misspelling of the word douchenozzle; the misspelling became the norm at a BBS about TV commercials we all hate; it then became rather commonplace.
Dave is such a fucking douchenoozle for stuffing a roll of paper towelling and three boxes of tampons down our toliet bowl.
new co-worker: Man, that guy seems great to work for the way he looks likeJohnny Depp and wears sleeveless t-shirts.
worker: No way. He yells a lot and makes us cry.
new co-worker: Thanks for the heads up. What a Douchiano.