Somebody who manages to maintain celebrity status despite having done nothing to merit it.
“Tara Palmer Tomkinson is a nonebrity”
by Andy Thorley September 28, 2004
A person famous for no discernible achievement or talent, who clings to their "celebrity" status by appearing in tabloids, gossip magazines and reality TV in an attempt to stretch out their 15 minutes of fame.
The show Big Brother had spawned a generation of non-ebrity individuals.
by Prophet Tenebrae February 15, 2007