Terms starting with O

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• OmnisexualOrientationsDescribes a person attracted to people of all genders, where gender may still influence the attraction.
• On the down-lowOrientationsSlang for keeping something secret, and specifically for men who have sex with men while presenting publicly as straight.
• Ongoing consentConsent & boundariesOngoing consent is the understanding that consent is not a one-time permission but something that continues, or stops, throughout an interaction.
• Online datingRelationships & datingLooking for romantic or sexual partners through websites and mobile apps, usually by creating a profile and matching or messaging with other users.
• ONSDating-app slang & abbreviationsShort for "one-night stand": a single sexual encounter between people who do not plan to see each other again romantically.
• Open-mindedDating-app slang & abbreviationsOn dating profiles, "open-minded" sometimes simply means tolerant, but it is also used as a hint of interest in kink, non-monogamy or group encounters.
• Open relationshipRelationships & datingA committed relationship in which the partners agree that one or both may have sexual or romantic involvement with other people.
• OrbitingRelationships & datingStopping direct contact with someone while continuing to watch or react to their social media.
• OrgasmBody & healthAn orgasm is the peak of sexual response, usually felt as an intense release of built-up tension with rhythmic muscle contractions in the pelvic area, followed by relaxation.
• OutingOrientationsDisclosing someone's sexual orientation, gender identity or HIV status to others without their consent.
• OvariesBody & healthThe ovaries are two small organs on either side of the uterus that store and release eggs and produce hormones, mainly estrogen and progesterone.
• OvulationBody & healthOvulation is the release of a mature egg from an ovary, usually about 10 to 16 days before the next period. It is the time in the cycle when pregnancy is possible.
• OxytocinPsychology of intimacyOxytocin is a hormone and brain signalling chemical involved in childbirth, breastfeeding and social bonding, often nicknamed the love or cuddle hormone.