A cringe trigger is a virus that makes you feel as if thunder is crashing all around you.
People infected by cringe triggers are collectively known as cringe-inducing beings. Anyone who encounters one may suffer heart or brain paralysis at best, or die on the spot at worst. They are extremely dangerous.
I'm from the Cringe-Clearing Planet. People on our planet can identify cringe triggers with the naked eye and are naturally immune to them. The Interstellar Federation has therefore commissioned us: every adult from the Cringe-Clearing Planet must leave our home world and travel to other planets and alternate worlds to practice medicine and save lives.
Theme: Some novels have been so cringe-inducing that I just have to vent