(~s)
1.
You can refer to a sexual desire or action that you consider to be abnormal and unacceptable as a ~.
N-VAR disapproval
2.
A ~ of something is a form of it that is bad or wrong, or the changing of it into this form.
What monstrous ~ of the human spirit leads a sniper to open fire on a bus carrying children?...
N-VAR: usu with supp disapproval