I, like most people, have many trauma triggers. One of them is feminism. Because I've been screwed over by so many feminists, who used feminist ideology to rationalize mistreating me, that now, whenever I hear the word 'feminism', or see a shaved female head, etc, it causes me to be re-traumatized. There is no environment safe from feminism.

http://en.wikipedia.org/wiki/Trauma_trigger