The result of post-intercourse when a male ejaculates into a period-ridden vagina and withdraws to perform the traditional "dirty sanchez" on a woman. The male's shaft shoud be completely blanketed in period sauce, where he proceeds to wipe the filthy excretion above her upper lip (similar to a mustache).
Sebastian shrieked, "Spruce, you know I can't toss your salad tonight. I did that last night! I'll give you a Ruby Sanchez tonight instead, ok stud?"