Definition: A milder version of POS; sometimes refers to a piece of junk, but may also used as an exclamation towards someone else, i.e., in online gaming, when someone sneaks up behind you and kills your character, you might type, POC! Example
You may have noticed that your lips turn purple or blue in the cold, or you may have seen a baby, an elderly person or someone else with bluish or purplish lips. In many cases, this type is caused by cyanosis, which is a discoloration of a part of the body resulting from a lack of oxygen in the blood.
Port wine stains are a type of hyperpigmentation that can result in purple skin. This condition, which often begins at birth, is caused by capillaries that do not form normally. Port wine stains are often pink when a person is young. As the person ages, the color of the spots tend to change and become purple.