(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."
A natural disaster caused by an extreme excess of smegma concealed in one's own foreskin. Usually caused by not cleaning your foreskin on the regular or from dietary problems resulting in a sudden growth of smegma.
Bill: Hey man are you going to the game tomorrow?
Fred: Nah man my family and I are getting out of town before the Smegmageddon gets here.
Bill: OH SH*T I GOTTA GET OUTTA HERE!
Fred: Yeah dude, it's pretty tragic.