burn (one) in effigy
To set on fire something that symbolizes a person who one opposes. In protest of the war, a large group has set about burning the president in effigy.
burn someone in effigy
to burn a dummy or other figure that represents a hated person. For the third day in a row, they burned the king in effigy. Until they have burned you in effigy, you can't really be considered a famous leader.