It's an exaggeration of ignore. You use it when someone gets ignored, or you want to show someone that his opinion is insignificant. Or if you want to 'troll' someone.
The social group populated by those individuals who are rejected, shunned, forgotten or otherwise ignored by so-called "normal people" for no reason other than that they occupy a different niche.
The Ignority does not necessarily consist of any greater or lesser number of individuals than any other group, though they can be viewed as a minority due to media, cultural or social perception.
Something of a catch-all, 'Ignority' is meant to be an umbrella term including nerds, geeks, weirdos and anyone else that feels that they are part of the world that does not belong.
Rather than being judged by the color of their skin or their religious background, members of the Ignority are judged and treated based on their interests as human beings.
An internet simplification of the phrase, "I know right," due to the misinterpretation of the words spoken with haste.
Better known as, "The rock of knowing" with the suffix of "-ite" that resembles the names of stones. (i.e. Labradorite, Malachite, Granite, Angelite, Azurite, etc.)