the act where one male excretes fecal matter on a female's chest. The male then proceeds to make passionate love to the female's chest using the feces as a lubricant.
Last night Mrs. Riggins asked me to go African Mountain Climbing; needless to say, my balls now smell like shit.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.