What is "I crave that mineral," you ask? Here is the post that started it all:

For a while, it was just another Tumblr post going around. But then, things got real...
PEOPLE began to crave that mineral too...

...and babies:

My Strange Addiction was finally explained...

Like the taste of your water?

There's even a handy chart to help with food cravings:

But you must ask yourself...

The current state of Tumblr, in a nutshell.

Of course, this being Tumblr, the inevitable happened: The FANDOMS took over.
The Hobbit fandom just couldn't resist the opportunity...



Of course there's a Frozen-related post. Of course.

Here's Flynn Rider climbing a 90-degree angle:

Even poor Mufasa wasn't spared...

To NO ONE's surprise, the Supernatural fandom was among the first to join in:

In summary...
