When two girls have aggressive sex. And one girl lays on her back, and another girl sits on the other girls mouth and shits into it. Then they switch positions and proceed to do the same thing. They then make out and either stop or continue to have sex.
Woman 1: "Have you heard of Recycling Chocolate?"
Woman 2: "Yeah, let's try it!"

Woman 2 lays down, and Woman 1 begins to sit on her face and shits in her mouth.
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