Answer:
You are having a bad day if 12 peers deem you to be this
Come up and let us go. Go down and here we stay
A house with two occupants, sometimes one, rarely three. Break the walls, eat the boarders, then throw away me.
There are millions of me. I am very small but when moving fast I am deadly.
What flies forever, Rests never?
What sphinxes employ and players enjoy.