eunuchize

These cannibals undoubtedly are inspired by some Malthusian spirit which impels them thus to functionally eunuchize themselves in one sense, as during copulation the seminal discharge flies out backward through this opening, being thereby a most effectual check on further procreation.

History of Circumcision from the Earliest Times to the Present Moral and Physical Reasons for its Performance Peter Charles Remondino 1886