I looked up "heel" since it was used to describe someone, and seemed more specific than just "bad person", and wasted another 30-60 minutes learning about Kayfabe, Mexican wrestling, etc.
It's this kind of thing Wikipedia excels at, vs. Quora or forum sites or really anything since USENET.
It's this kind of thing Wikipedia excels at, vs. Quora or forum sites or really anything since USENET.