EXAMPLES FROM THE WEB FOR KANGAROO COURT
After a while these games become tiresome, and the "Kangaroo Court" is formed.
Immediately I was terrified with thought of the kangaroo court.
Uncle Ben hitched his chair, and with much chuckling, recalled the "kangaroo court" the cowboys used to hold at night in camp.
The next day I, with the other late arrivals, was initiated as a member of the "Kangaroo Court."
The most interesting of these impromptu clubs is the one called in the vernacular the "Kangaroo Court."
I would say he is a Batista, and right away they would grab him, give him a kangaroo court and shoot him.