assbarger Share definition Flag the act of barging in on someones asshole without the permission of the owner of the asshole itself that assbarger Dustin didn't even ask if he could put his dick in sherry's ass , he just rammed his cockasaurus in. assbarger by Daniel Presnell July 31, 2007 0 0 Get merch Get the assbarger mug. Buy Now — $32.95 See more merch