egoidiot Share definition Flag Someone who thinks they are the expert and forcefully assert their opinions as facts when in fact they are just a loud mouth moron. Joe is such an egoidiot, he thinks he's the expert on everything but he's just full of shit. egoidiot by clever monkey May 29, 2014 0 0 Get merch Get the egoidiot mug. Buy Now — $32.95 See more merch
