One who hunts and or pillages virgins using sly and conniving tactics of seduction. Generally the male is older than the virgin and has a certain stigma or allure which surrounds him, making him the subject of many young crushes.
Can be either Nerdy or arrogant, both forms exist in the natural world, and appeal to different groups of virgins.
The Most important attribute of the "Hymen Pirate" is that his victim is immediately discarded and ignored after pirating has occurred, and the booty has been found. No further interactions are to be expected.
"Kim, that guy doesn't want a relationship, he just wants your V-card, he's a bloody Hymen Pirate"