What is "groin attack"

n. a punch or other attack to the groin area of the body

A groin attack is a deliberate attempt to cause pain to the groin area of one's opponent. Often used in self-defense, the technique can be quickly debilitating, due to the large number of sensitive nerve endings in the penis and testicles of males, as well as the highly innervated vulva and ovaries of females. A sufficiently powerful blow may fracture the pubic bone of the victim, resulting in physical disability. This technique has been popularized as a comedic device in various forms of media.