look up any word, like donkey punch:
 
1.
A word widely used by the great philosopher Immanuel Kant. Kant refers to the distinction between phenomenon and noumenon as one of the most important distinctions in philosophy. The distinction is between the apparent world of sensible phenomena and the intelligible invisible world of Reality.
Noumenon - pure subjectivity
by Rudy Beaudet May 15, 2005