lexiconnoisseur Share definition Flag The sort of person who would make up a word like this and then tell everyone about it. Tycho Brahe of Penny Arcade (penny-arcade.com) styles himself a lexiconnoisseur. lexiconnoisseur by Simon Crowley July 9, 2005 0 0 Get merch Get the lexiconnoisseur mug. Buy Now — $32.95 See more merch