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1.
The art of being a major douchebag.
The doucheness you display after 5 beers precludes us from hanging with you.
by WMS August 12, 2006
 
2.
adj. capacity of being a douche
i hate you because your doucheness is ginormous
by levi parker August 29, 2007
 
3.
Doucheness: having or displaying douche like tendencies.

The Douche Patrol aims to expose all douches across the globe. We see all forms of doucheness and the ill-effects that result.
John Doe was out clubbing this weekend with such doucheness that it was a total turn off to all his fellow clubbers.
by Douche Patrol October 31, 2009