/ ˌgeŋgɪs ˈkɑːn; NAmE ; ˌdʒeŋ-/ noun
[ usually sing. ] a person who is very cruel or has very right-wing political opinions :
Her politics are somewhere to the right of Genghis Khan.
ORIGIN: From the name of the first ruler of the Mongol empire, who was born in the 12th century.