Filthy O'Kavanaugh Share definition Flag Drinking game in which, two men simultaneously fornicate with one woman. Bart and Mork were high fiving over Mora's back while playing Filthy O'Kavanaugh Filthy O'Kavanaugh by loquacious loki October 4, 2018 0 0 Get merch Get the Filthy O'Kavanaugh mug. Buy Now — $32.95 See more merch