Some guy posted up a complete rundown of what a douche bag is. He takes an image of a douche bag, and outlines with footnotes and labels the points to take note of when calling someone a douche bag.

http://factualmaterial.com/douchebag.htm

Check it out.


On a related note:

http://douchebagoftheweek.blogspot.com/

A blog that analyzes douchebags on a weekly basis. Worth a read if you have lots of time.

And to make this funny, from the Makers of "Brokeback Mountain" comes "Douchebag Mountain":