Genghis Khan - definition and synonyms

noun humorous 

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/ˌɡeŋɡɪs ˈkɑːn/
  1. someone who has very right-wing political opinions or forces other people to do what they want

    He’s about as liberal-minded as Genghis Khan (=he is not at all liberal).

Word story
From the first ruler of the Mongolian empire who lived in the 12th century.