This is the fourth part of an alphabetical list of names, words and terms frequently associated with body piercings and body art. This part of the dictionary covers words beginning with the letters O through S.

P
PA, reverse - This piercing's placement mirrors that of a Prince Albert, with the piercing ring worn goving over the top of the head of the penis.
Pocketing - A form of surface piercing where a barbell is worn in a pair of piercings so that the ends are embedded in the skin and the main bar of the jewelry lies visibly on the surface of the body.
Prince Albert - This male genital piercing is traditionally a ring worn in a piercing which runs from an entrance hole made through the shaft just under the head, into the urethrea and out via the urethral opening.

R
Rook - This is a variation on ear piercings worn in the ridges in the shell of the ear.

S
Scarification - To create a design on or in the skin by making shallow cuts. Sometimes the lines are rubbed with a coloring agent, most often tattooo ink, to highlight the marks and any resultant scar tissue.
Scrotal - The name for surface skin piercings of the testicles. See Hafada.
Scrumper - A piercing of the thin webbing between your upper teeth and lip.
Septum - A piercing made in the cartilage that separates the two chambers of the nose. A ring that curves into and between the nostrils or a barbell can be worn in this piercing.
Smiley - An alternate name for Scrumper (see above).
Surface piercing - General name for types of piercings that are on the outer surface of the body as opposed to through a piece of easily protruding skin.

Please note: This is not necessarily a complete list of piercing names, as procedures are invented and modified by individuals and may not have evolved to be a standard term of description.

If you'd like to learn more on this topic, you might like
Modern Primitives
by V. Vale/ReSearch
ModCon: The Secret World Of Extreme Body Modification
by Shannon Larratt