A wingnut is someone on the far-right wing or far-left wing of the political spectrum - the professional partisans, the unhinged activists and the paranoid conspiracy theorists. They're the people who always try to divide rather than unite us. ↗
I'm not politically motivated. I used to be - passionately. I used to be very Left wing. Then I went very Right wing, and now I rest somewhere in the middle. ↗
Before I joined the project most of the English people with whom I had made personal contacts were left wing and affected to some degree or other by the same kind of philosophy. ↗