n. a giant cluster-fuck; a colossal mistake; a turning point, inflection point, or event that, in retrospect, turns out to have led to the doom and demise of a once-powerful company, person or organization.\r\n\r\nDERIVATIVES:\r\nvistastrous. adj.\r\nvisastrously. adv.\r\n\n> "Have you seen Speed Racer? It's a total vistaster."\n