Back in my fraternity days, almost all of my new fraternity brothers who were still virgins were introduced to this local sorority girl, affectionately nicknamed the Devirginator by the seniors, who promptly cured them of their problem. I did not so avail myself, but my best friend did. Seemed she had a fetish for fresh meat. Rumor had it she had blown or slept with well over a quarter of the hundred men who lived in our frat house. In my junior year one of my fraternity brothers found Jesus and promptly broke off his engagement to his high school sweetheart because she had confessed to him that before she got religion she had slipped once and was not a virgin. So, it came as a great surprise when less than a year later this priggish frat brother announced his engagement (shockingly) to the Devirginator. It was not that he was unaware of her reputation but he happily declared that he knew as a fact that she was still a virgin. I incredulously tackled my best friend, who sheepishly confessed that it could be technically true as far as he knew, because when he had lost his cherry to her she had talked him into anal intercourse. Turned out that she had done so with everyone, or convinced them to settle for a blowjob. I dont feel particularly judgmental about any of this, but it struck me as odd then, and still does, that somehow all these people who seemed to feel virginity was terribly important, apparently defined sex so narrowly that the most experienced girl on campus met the criteria. I got to thinking about this again lately when we were playing with the numbers right thread. It appears that when counting their partners heterosexual men only include women with whom they have had full vaginal intercourse. Gay men, by contrast, seem to follow a far looser standard. So I wonder, what constitutes having sex? How do you decide whom to include in your counts?