Objectophilia (Objectum Sexuality): also known as fetishism. This refers specifically to arousal by and sexual activity with an inanimate object such as shoes.
Objectification: the act of objectifying a partner, to think and treat them as property or an object.
Oculolinctus: desire to lick eyeballs.
Oculophilia: an obsession with the eyes.
Odaxelagnia: kink for biting or being bitten. May or may not involve blood.
Odontophilia: the general fetish for teeth, which can include biting, licking teeth or even removing them.
Olfactophilia: attraction to smells, especially pungent body odors. Osmolagnia is the fetish for sweat or gaseous emissions specifically.
Omorashi: the Japanese word for a fetish related to having a full bladder and urinating on oneself. Often shortened to "omo."
Orgasm denial: type of play where someone's orgasm is denied entirely, limited/ruined or delayed.
Otherness: sexual attraction to someone from other places, including aliens. See all xenophilia and exoticism.
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List of Kinks/Fetishes (A-Z) + bonus information
Non-FictionLiterally what the title is, obviously has mature themes, be advised. If I miss out on anything, please message me so that I can add to the list.