Abbreviation of Thinspiration.
after the words 'thin
' and 'inspiration', the thinspiration is the motivation obtained of certain kind of images and quotes
to stay thin
or lose weight.
It became popular
in pro eating disorder sites, where the thinspiration consist of photos of extremely skinny girls and quotes that
But it has also a widely extended healthy meaning where the photos are of thin
or fit girls, of low calories food, exercises
and quotes that
motivates to stay thin
in a healthy way.