It sounds like something a bunch of frat guys came up with: “Hey bro! You know what beer’s made of? Yeast! Who know where yeast comes from? Da ladies!”“Wooooo! Bro, that could be a killer business idea. Let’s remember this tomorrow!” *Bump fists*While that exact scenario probably didn’t happen, a Polish brewer has, in fact, created a beer that incorporates vaginal yeast. As a primary ingredient. In something you drink. We’ll let that sink in for a minute.