In the courts of Ancient Rome, when a man was testifying, he would swear on his testicles, which is where the term ‘testify’ comes from. However, other primates have been doing this practice for millions of years.
– WTF fun facts

In the courts of Ancient Rome, when a man was testifying, he would swear on his testicles, which is where the term ‘testify’ comes from. However, other primates have been doing this practice for millions of years.
– WTF fun facts