lunatic fringe
idiomPart oflunatic
lunatic fringe — idiom
1. a small group within a larger organisation or community who hold extreme opinion
1.idiom
Definition
a small group within a larger organisation or community who hold extreme opinions that most members do not share
Example
The lunatic fringe of the environmental movement called for blowing up the oil pipeline.
Most party members are moderate, but the lunatic fringe gets all the media attention.