An unofficial court held by a group of people in order to try someone especially without good evidence, as guilty of a crime or misdemeanour”. It is used to refer to proceedings or activities where a judgement is made in a manner that is unfair, biased, and lacks legitimacy.
NOTE:
The courts does not allow to appeal against its judgement.
The Kangaroo Courts were common during the Stalin era in the Soviet Union, famous as the ”Moscow Trails” of the Soviet Great Purge.