Mi.sog.y.ny, Religion And The Witch Hunts~Part VII

Thou Shalt Not Suffer a Woman to Live:The Reasons Behind the Hiding of Women's Sexuality.

Other common depravities of witches included adultery, bestiality (with the Devil in the form of a cat or goat), cunnilingus, anilingus, and fellatio. Fellatio was considered particularly dangerous and was seen as a form of seminal vampirism performed by post-menopausal women:
The old witch was in a sense a dry woman who, instead of feeding others well, diverted nourishment to her own selfish ends. Older widows were believed to have the power to ruin young men sexually, and youths were warned against marrying such women because they were sexually ravenous, and would suck out their seed, weakening them with their insatiable hunger for seminal fluid and contaminating them with their own impurities