Do you Ⓓⓔ-Ⓖⓔⓢⓞ~?

Unwarranted Self-Importance (USI) is a disease that gives you the feeling that you are actually worth something despite not having made any contributions to anything at all, and actually making the world a much ♥♥♥♥♥♥♥♥ place, thus making yourself look like a complete douche.

This is common amongst Kanye West, BoA, LiveJournal and Kuro5hin users, chavs, pre-med students, Apple users, famous weathermen, Coalition soldiers who have actually been to Iraq and anyone who drives some sort of "green" hybrid car while simultaneously expecting your gratitude for saving the ♥♥♥♥♥♥♥ earth. It occurs on ED all the time.

Unwarranted self-importance is also often associated with flamers or n00bs, Americunts, and anyone who contributes to this page. It will be found on sites where posts or edits are encouraged, as many imagine themselves working for some greater power as they upset others. It also comes into play when the unwarrantably self-important are lacking in one or more areas of their lives, e.g. being too poor to afford a TV.
Most people that reward themselves with the feeling that they are important can easily be considered bastards.
People who believe themselves important should seek medical treatment, perhaps because of narcissistic tendencies - except for Jacknstock, who was ♥♥♥♥♥♥♥ fired instead. USI has become an epidemic, and is spreading faster than diarrhea in a Mexico City restaurant.