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1. A murderous force of nature, equaled only in its killerosity only by its majesty. A region is considered to be under the effects of a katsoon if it recieves the majority of its annual catfall in a small amount of time, sometimes as short as a single night. Katsoons strike without warning and flash catting often quickly overwhelms what levees and dikes the area may have in place. It is said that a katsoon is sometimes preceeded by unusually low cat flow mere minutes before. Citizens who notice this low cat flow are advised to seek higher ground. 2. A portmanteau of the words "Kat" and "Soon".
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