When a male take two willing or unwilling females and places them or "stacks" them in a doggy style position, one on top of the other. The male then proceeds to penetrate or "Ram" them from behind in their vaginas, with his penis, alternating vaginas every several thrusts, or "Rams". The male then has the option of performing this using the willing or unwilling females anal cavity for similar practice.

When you eat dirt for the first time and leave your family to build a shack in the woods