As they are a doomsday cult, possibly with a doomsday device, I suppose "boomers" could be people that will go "boom" when they destroy the world, with themselves and the select few kept safe in DUMBS.
As they are a doomsday cult, possibly with a doomsday device, I suppose "boomers" could be people that will go "boom" when they destroy the world, with themselves and the select few kept safe in DUMBS.