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.
Their position close to the surface of the skin is the cause of the purple appearance. Kaposi sarcoma is a disease in which cancer cells may, among other things, cause purple skin lesions. The discoloration of these lesions is created by the supply of blood that flows into them.