- The definition of self-proclaimed is that you have declared yourself to be something or to hold some title.
If you have decided you are going to be the unofficial leader of a group, this is an example of at time where you are the self-proclaimed leader.
self-proclaimed definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
so proclaimed or announced by oneself: a self-proclaimed ruler
self-proclaimed definition by American Heritage Dictionary
So called by oneself; self-styled.