A sexual scenario in which the woman is on her period and penetrated by the male at a high frequency, thus causing blood to spread across her thighs. Once the "sauce" is spread and the male party is reaching climax, he will then pull his penis out (and remove condom if present,) just before ejaculating across her thighs leaving cum dripping down the blood as the "mozzarella cheese" to cover the "sauce".

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