It means you need to see a physician.
Speaking from personal experience, in just recovering from a bout of epiditimus. It could also be tortion, cancer, or traumatic injury, but if you treasure the jewels, take care of them and see a doctor.
The testes should be free from lumps, pain, irregularities and swelling.
Dragon Testes.
Pain in the testes during stretching can indicate several potential issues, including strain or tension in the surrounding muscles or ligaments. It may also suggest underlying conditions such as epididymitis, testicular torsion, or a hernia. If the pain persists or is severe, it's important to seek medical attention to rule out any serious conditions. Always listen to your body and avoid activities that exacerbate the discomfort.
it means the male testes are situated on the chin
Because your balls are soft and your dick is big.
Epididymitis is characterized by pain in the testes. The pain, which usually develops gradually over several hours or days, is followed by sudden redness and swelling of the scrotum.
Unless you are ill, pain is your body's warning that you are doing something that may actually damage you.
Castration is the removal of the testes or whole genital region.
No. That means, you have fungal infection. Please consult your family physician.
Testes
Testicles is the synonym for testes.
It is not normal to feel pain in the testes. Boys are generally reluctant to even mention their testes to an adult so if your son is actually complaining of pain it must be quite sever. I'd suggest that you take him to see a doctor. It might be nothing serious but at least his mind (and yours) will be put at rest. Ignoring the problem and hoping that it goes away is not a good idea.