The lowest possible form of existence deemed passable to the general public.
Last summer I went full soid. I stayed in my room, played videogames, didn't shower, A/C on, and curtains drawn, with blue skies and a million things to do at my fingertips. I was so soid.
Last summer I went full soid. I spent two weeks building a jetty out of raw materials to explode frozen toads with underpowered fireworks. I was so soid.