Used in Ylvis brother's video "The Cabin". Derives from the norwegian saying "det finnes ikke dårlig vær, bare dårlig _klær_". This saying has a rhyme to it, so when they sang it in english they made up the word kleather to make it rhyme.
A system of government which is run by the worst, least qualified, and most unscrupulous citizens who exploit natural resources and people, and steal for personal financial or political gain.