analsaurus rex Share definition Flag Typically refers to a 20-something who stands on line at starbucks talking into their cell-phone. All I want is to be able to get a coffee, and not have a pack of analsaurus rex's slowing up the friggin line. analsaurus rex by SprinklesVv November 6, 2007 0 0 Get merch Get the analsaurus rex mug. Buy Now — $32.95 See more merch