P. R.-Mageddon Share definition Flag Appearing as the w0rd on The Colbert Report it means to have a public relations shit storm. BP's summer has been a P. R.-Mageddon P. R.-Mageddon by GungHoIguanna June 10, 2010 0 0 Get merch Get the P. R.-Mageddon mug. Buy Now — $32.95 See more merch