Assshithole Share definition Flag a person who exceeds the requirements for asshole. Person 1:Dude that guys a huge asshole. Person 2: Nah, he's more than that. He's an assshithole. Assshithole by The master of trash talk! April 28, 2005 0 0 Get merch Get the Assshithole mug. Buy Now — $32.95 See more merch