kangaroo court 
noun
An unofficial court held by a group of people in order to try someone regarded, especially without good evidence, as guilty of a crime or misdemeanour: they conducted a kangaroo court there and then...
- We have complained that it decides over important matters - the ownership of a domain name - but behaves more like a kangaroo court than a law court.
- They are treated as witnesses rather than prosecutors at the weekly kangaroo court known as the tribunal.
- Even the most properly constituted court is only a kangaroo court without a lawyer.
- graphical user interface
- graphic artist
- graphic arts
- graphic design
- graphic designer
- graphic display
- graphic equalizer
- graphicness
- graphic novel
- graphics
- graphics accelerator
- graphics card
- graphics tablet
- graphite
- graphitic
- graphitise
- graphitization
- graphitize
- graphological
- graphologist
- graphology
- graph paper
- graph theory
- -graphy
- grapnel