Another extremely important shit species that deserves analysis is batshit.
When someone believes things beyond belief, and believes them elaborately, intricately, extravagantly and urgently, we call that person batshit crazy.
Often, these beyond-belief beliefs are literally about the beyond. They are speculative. But the speculation has taken on a life of its own, and is no longer obviously speculation about reality. The speculations have detached and become a standalone batshit world, which feels way more real and interesting than whatever that other world was.
Batshit is sometimes confused with bullshit, because batshit is nonsense that never touches ground and has no practical effectiveness. But unlike bullshit, batshit is believed, intensely and sincerely. And while both bullshit and batshit fail to translate ideas into effective practices, bullshit never tries, whereas batshit ideas lead directly to batshit practices.
And it is also easy to confuse batshit with birdshit, in that it flies around in the sky. But where birdshit flies into the sky to get a better, loftier, critical look at the ground in order to shit all over it, batshit is trying to fly further than the sky, and the batshit produced in the effort is innocent byproduct, forgotten as soon as it falls into that nowhere known as solid ground.
“Batshit” is crazy nonsense — the byproduct of an urgent and failed need to make sense of things that are not even real — at least according to all you “sane” people.