A '''charlatan''' is a quack and often the word charlatan carries the connotation of someone making pretenses to knowledge or ability in a showy way.[http://www.merriam-webster.com/dictionary/charlatan]
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A '''charlatan''' is a quack and often the word charlatan carries the connotation of someone making pretenses to knowledge or ability in a showy way.[https://www.merriam-webster.com/dictionary/charlatan]