When a man's testicals become twisted, cutting off the flow of blood to the testicals. Prolonged testicular torsion can result in the death of the testical itself.
When the spermatic cord connecting your testes to your body is twisted; cutting offblood flow and resulting in excruciating pain, and if left untreated, testicular death.
Jack: “Oh... fuck man it feels like I’m gonna give birth to my ballsack”