A incel or neckbeard with the pure purpose of spreading their gross opinions. Typically they smell like onions, have a scruffy neck beard and sterotypically wear a fedora. They're almost wrong 99% of the time and have gross behavior.
Did you see the new kid? Talk about a Walking Fedora.
I think you just found a Walking Fedora.
That person smells like onions! (gagging) Walking Fedora.