n. The oft-predicted final battle over the destiny of Earth's soul between the believers in global warming and the followers of Satan (or between the Global Warming Conspirators and the Holders of the True Knowledge).
(1)the compromise of integrity and all things wholesome by sleazy, self-serving creeps and those whose souls are generally covered in goop; (2) the end result of the actions of lowlifes, making a place of work or other environment so morally funky that you want to take a shower after you leave
"My new boss turned a job I once loved into Smarmageddon."
"Our group had morals and vision and a purpose, but since that new Executive Director was hired, the place has turned into Smarmageddon."