Obsessive Coffee Disorder Obsessive Christmas Disorder Obsessive Candy Disorder even Obsessive Cumberbatch Disorder Funny jokes, but where do they derive? Obsessive Compulsive Disorder is where they derive from: a mental illness that cripples people, giving them unwanted and intrusive thoughts, unusual habits and urges, and irrational fears. Truthfully, those jokes aren't funny at all. -h