Bunjulio Share definition Flag (Bun/hoo/leo) Another word for butthole or anus. "Dude, Sarah got penetrated in the bunjulio that night of the party!" Bunjulio by J to the power of 3 August 2, 2016 0 0 Get merch Get the Bunjulio mug. Buy Now — $32.95 See more merch