There are a lot of online content about the history of piercings. Each particular piercing actually has a meaning to a group of people nreligion, beliefs, norms and standards. Fortunately as the world has gone from traditional to modern, these piercings are now regarded as a fashion statement.
Tongue Piercings- Tongue piercings were popularly used by the Ancient Aztecs as part of a ritual. They pierce their tongues to draw blood and create a raised or altered state of consciousness so that shamans and priests could talk to their gods. However today, tongue piercings are used to raise sexual pleasure for both sexes and in no form religious.
Ear Lobe Piercing- Ear lobe piercings were probably the first piercing that humans have attemped. The oldest human mummy with an ear lobe piercing was found to be 5,000 years old. In ancient times, demons and spirits are believed to enter the human body through the ear but they can be repelled by metal which explains the use of metal for ear piercings. Aside from that, the first sailors pierced their ears with metal and valuable piercings so that when their dead body washes up somewhere the piercing could be used to pay for the burial.
Septum Piercing- Septums on the other hand were pierced in Irian Jaya, New Guinea, and the Solomon Islands to give warriors a fierce appearance. Mayans, Aztecz, and Incas on the other hand wore a variety of jewelry and affixes them to the septum as a status symbol.
Nipple Piercings- Roman soldiers or Centurions place rings on their nipples to which they could affix their capes. And their armor were crafted in a way to easily expose these rings. In the 14th century however, Queen Isabella of Bavaria popularized the Grand Neckline type of clothing where one's neckline could reach as low as the navel and the breasts are almost exposed. Which led to a fashion where nipples are exposed affixed with certain kinds of jewelry and rings often with a chain running from one nipple to another. Fortunately though, this fashion was short lived.