Definition of Douchebagery: 1. The act of being a douchebag. 2. The skill of exploiting people’s emotions for your own profit or benefit, the exploitation of common sense knowledge in an effort to sound smarter than one is, trying to produce a grandiose image of oneself by producing overrated reading material, preying on weak or troubled individuals to further ones public image and to increase ones monetary gain, jumping to harsh and illogical conclusions based on limited information, and trying to advise individuals in field(s) in which one is not knowledgeable about and can offer no real advice outside of general public knowledge but still tries to profit off of it.
(n): When a person, most often a male, performs an act so exquisitely wrong and disappointing but does it in a very fashionable way.
He often tricks women into thinking he is a very wonderful person but in fact is quite the douche bag. He has done something so creatively though, that you can't help but give him credit for being a successful douche bag.
The man of your dreams writes a song for you. Well that song is also for the other three women he is dating.
"That guy the other day bought a dozen roses. But he gave 12 different roses to 12 different girls. None of them knew, but 12 girls were in love with him at the end of the day. Now that's what I call tasteful douchebaggary."