An individual who insists on causing the rest of the earth as much pain as possible; A chap so arrogant and twattish that they have almost no choice but to fuck you over whenever possible.
*Car drives through large puddle, drenching a child*
Child: "Pickles, what a complete Douche Canoe that old chap is!"
Someone who is up shits creek with a turd for a paddle yet takes no responsibility for their situation and find the need to blame everyone else for their predicament.
1. Any vehicle filled to capacity with a group of major douchebags. Usually a luxury SUV. Most often owned or purchased by the parents of one of the douche mcgouches inside. The group of individuals who pour out of the douche canoe can be affectionately referred to as a "shitstorm of douchebags."