(n.) a horrible annoying piece of shit caused by fay that gets in all of your friends' houses and destroys everything and makes alligators and fish in the street and makes it so you can't go to school, etc. In short, you just hate it; because you hate Fay and it is a by-product of Fay.
(adj.) Since the flood is hated so much, it is used as an adjective roughly equivalent to the British term "bloody" or "bleeding"
(n.) Damn that flood, there was an alligator in my nieghbor's car, and a fish in my bedroom-canal!
(adj.) You are a flooding idiot. You floody moron.