Hope you got your fag hat on. And a butt cheeks clencher. The video shows a young man getting crudely castrated by having his testicles . Undescended testicles are a common childhood condition where a boy's testicles are not in their usual place in the scrotum. It's estimated that about one in every 25 boys are born with undescended testicles. In most cases, no treatment is necessary, as the testicles will usually move down into. Where are the testes? The testes, also known as testicles or male gonads, lie behind the penis in a pouch of skin called the scrotum.. The testes move freely in the scrotum but each testis is attached to the body wall by a thin cord called the spermatic cord, which passes through a cavity in the pelvis and into the abdomen.