Trivianado Share definition Flag Short for "trivia aficionado". A person who is very knowledgeable and enthusiastic about trivia and obscure subjects. You must be some kind of trivianado to do well on TV quiz shows, like Jeopardy. Trivianado by Kraven2I3 March 30, 2011 0 0 Get merch Get the Trivianado mug. Buy Now — $32.95 See more merch