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.
The medical term for purple lips is cyanosis and it can be caused by many different things. It causes a discoloration of the skin and membranes, making them appear bluish. It can sometimes be caused by cold weather, however, it can also be a symptom of a more serious condition related to the heart or lungs.