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Etymology
From 🇰🇲; literally "chameleon obtaining gold"; after the Chameleon in the royal park of, a character in the Buddhist who refuses to pay respect to the King of Videha after obtaining a piece of gold and thinking "You may be very rich, Videha, but so am I".

Noun

 * 1)  person who puts on airs or becomes conceited or corrupt after having a better life or gaining wealth or admiration.