Orally injesting the yeast infected discharge from the vagina. The inner Labia ( Labia Minora ) is recognized as the corned beef in the Rueben sandwich and the outer Labia ( Labia Majora) is recognized as the bread from the sandwich. The yeast infected discharge is recognized as the thousand island dressing. Finally the discharge soaked pubic hair serves as the final ingredient, the Sour Kraut.
While going down on Sherie, Billy realized the odd flavor of Sherie's meat skirt was a "Greazy Reuben".