Urban Dictionary is a cornucopia of slang words and expressions. It has over 5 million definitions.
To give you a taste, here's the definition of "design victim":
A design victim will decorate his or her house by the book, ie. follow the latest trends in magazines, tv shows etc... According to a design victim absolutely everything in their house should be designed: from the teapot (Alessi), to the toilet brush (Starck). The sole aim in life of the design victim is to have a magazine publish his or her interiors. Most relationships with design victims end up in divorce.
