sentences:  Typically, one person lies down pant-less, while his or her partner sits alongside.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.Expanded orgasm as a mutual masturbation technique reportedly creates orgasm experiences more intense and extensive than what can be described as, or included in the definition of, a regular orgasm.