The term used to describe a "celebrity" who is famous primarily for bad behavior (due to either being completely devoid of talent or having their work overshadowed by their antics).
Tiger Woods co-cheater Rachel Uchitel seems to be doing everything humanly possible to prolong her celebritney status. (Look for her upcoming cover single "Me and Bombshell McGee" to drop any day now.)
A famous person who destroys their fan base by acting like a complete loser.
The prom queen became a celebritney when the nude pictures hit the internet. Or Lindsey Lohan is pulling a celebritney.
Any person famous
for being famous, of whom we have all seen too much.
Lady Gaga, Paris Hilton, and the ultimate CeleBritney, Britney Spears, were all at Ashton's party.