(n) A person that has become such a douche, that they are in fact a device for carrying around douches, encompassing a collection of varying douche types.
A bucket of douche.
Someone who has so many douche-like qualities that they are beyond the idea of a
single douche, but rather they are many douches, capable of becoming more douchey at any
time.
Whenever I want to
haul around some douche, I can come to you, you douche bucket.
He is not
just a douche, he has become a douche bucket.