What is an ontological pervert?

The answer is not as exciting or pretentious as it sounds. In sum, an ontological pervert queers reality.

I am sure the term comes from The Conspiracy Against the Human Race by Thomas Ligotti but I cannot seem to find the quotation. Whether the actual term originates there or not, the concept certainly does.

Ligotti's book is an anti-manifesto of arch-pessimism--exactly the type of philosophy a horror writer should proclaim. In Conspiracy, Ligotti downgrades "life" to mere "existence" and attacks it as "malignantly useless." Human beings are nothing special and all of us would have been better off unborn rather than forced to suffer through a frail, miserable and death-haunted existence.

An "ontological pervert" would then be someone who accepts this reality against every social and biological urge to the contrary. In Ligotti's words, "What we do, as a conscious species, is set markers for ourselves. Once we reach one marker, we advance to the next--as if we were playing a board game we think will never end, despite the fact that it will, like it or not. And if you are too conscious of not liking it, then you may conceive of yourself as a biological paradox that cannot live with its consciousness and cannot live without it. And in so living and not living , you take your place with the undead and the human puppet (Ligotti, p. 28)."

That is an ontological pervert. So you see, there is nothing particulary sexy about it--unless you count it as the ultimate BDSM philosophy.