mountebank!’
noun 1. a person who deceives others, especially in order to trick them out of their money; a charlatan. 2. ‹historical› a person who sold patent medicines in public places. II. derivatives mountebankery /-ˌbaNGkərē / noun– origin late 16th cent.: from Italian montambanco, from the imperative phrase monta in banco! ‘climb on the bench!’ (with allusion to the raised platform used to attract an audience).