(n) A well-known person who believes that the world desperately needs to hear their atrociously uninformed opinion on any given subject simply due to the fact they have easy access to the bully pulpit.
Why would I care about Barbara Striesand's opinions on the economy? She's a celebritard.
by The Cabal June 14, 2008
A person whose only claim to fame is being a complete and total asshole.
Paris Hilton is a perfect example of a celebritard.
by Jason Spencer January 19, 2007
a celebrity that acts like a retard
Sebastion Bach is a celebritard
by Sporkonio November 05, 2006