hang in effigy
hang in effigy or burn in effigy {v. phr.}
To hang or burn a figure, usually a stuffed dummy, representing a person who is disliked or scorned.
When the high school team lost the championship game, the coach was hung in effigy by the townspeople.
During World War II, Hitler was sometimes burned in effigy in the United States.
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Source: A Dictionary of American Idioms