fetishmania is what you want it to be if it is save, sane and consensual.
noun : fetish
an inanimate object worshiped for its supposed magical powers or because it is considered to be inhabited by a spirit.
• a course of action to which one has an excessive and irrational commitment.
• a form of sexual desire in which gratification is linked to an abnormal degree to a particular object, item of clothing, part of the body, etc.