When we provide these products or services, we may give you the opportunity to opt-in to the additional sharing of information with these businesses. Exclusively non-penetrative Mammary intercourse , a form of non-penetrative sex between a man and a woman Non-penetrative sex may sometimes be divided into acts that are exclusively non-penetrative and those that are not. Definitions and practices General While non-penetrative sex or outercourse is usually defined as excluding sexual penetration,    some non-penetrative sex acts can have penetrative components and may therefore be categorized as non-penetrative sex. This phenomenon has been termed hookup culture. For more information about how to change these settings go to: The partner who is sitting uses his or her hands and fingers typically with a lubricant to slowly stroke the penis or clitoris and other genitals of the partner. The term hookup in this context loosely means participating in some type of sexual activity whether it is non-penetrative or penetrative with another individual or group of individuals outside of a romantic relationship. One individual places their feet around the penis and caresses it until orgasm is achieved.
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