from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a vigilante group of people intent on lynching someone.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a mob that kills a person for some presumed offense without legal authority
Sorry, no etymologies found.
It's the closest I've ever been to being in a lynch mob kind of mentality.