A word used to describe someone of very little intelligence who also has a habit of causing you annoyance by the retarded acts they choose to perform because of their small brain cells.
'Why must you always cause me prolems you ass raping monkey farmer!'
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.