N-COUNT
If you refer to a court or a meeting as a kangaroo court, you disapprove of it because it is unofficial or unfair, and is intended to find someone guilty. 私设的法庭
[表不满]
Hissecurity apparatus has beatenandarrestedthousands, tried scores of dissidentsinkangaroocourts, houndedothers into exile, throttledthe press and jammed the airwaves.