A type of sex in which blood is rubbed on both participants, also from time to time the blood will be used as lubricant or consumed during intercourse.
When you don'teat because you are too busy playing Spartacus: Blood, Sand , and Cock.
Me: I must be on the Blood, Sand, and Cock Diet.
Friend: Man, what happened?
Me: I forgot to eat today, there was a Spartacus marathon and I was too busy playing Blood, Sand, and Cock.