A vanilla swirl is the act of spunking in a womens asshole after she has had a shit. When pulling out you must swirl the shitty spunk around their asshole hence creating the Vanilla Swirl
This act of intellect involves two people: the taker and receiver. The receiver lays flat with their stomach up. The giver squats over the receivers mouth, after this the giver proceeds to shit inside of the receivers mouth. Then the receiver then gurgles the shit until it becomes a mustard consistency. After this the receiver spits it out into the givers mouth then the receiver swallows it.
When a man and a woman are having intercourse and the woman is on her period, the man ejaculates into her with no condom. She then sits on his chest and rubs the mixture onto it.