Well, it's not that the lexicographers sit around a table with a list of words and a pot of coffee, trying to come up with suitable definitions which then enter the language. It's more the reverse, actually.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'