One who engages in the act of anal sex by which a lasso is fastened around the woman's throat and then strangled by it while the male pumps her ass full of juice as if to wake her up from being strangled.
After Jill passed out, Jeff decided that he would never be an ass wrangler again.
Noun - A man who engages in the act of attempting to round up either side of the sex for a active night of sexual escapades. Formerly a deragatory term it can be used in a flattering sense.
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.