Top Definition
One of any number of idiotic, hilariously embarrassing or dumbfounding things perpetuated by celebrities daily. Most anything on TMZ would fall into this category, and anything Paris Hilton, Lindsay Lohan, Britney Spears, Kevin Federline, Donald Trump, or Danny Bonaduchi does is considered Celebrilarity until further review.
TERESA: My friend's working on the new Lindsay Lohan movie, and get this. He said she was so wasted on set she threw up on herself yesterday.

CANDICE: Oh my gaaaaaaawd! Total celebrilarity. LOL, ROTL. Let's go get some 5 dollar cupcakes.
by Andy "R" Ochiltree March 27, 2007

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