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.
Quick Answer. Purple Toe Syndrome is a medical condition characterized by the blockage of the blood vessels in the foot, which hinders the flow of blood to the tissues, according to Foot-Pain-Explored.com. The blockage is usually caused by the build-up of cholesterol or by a lump of plaque becoming lodged in the blood vessels of the foot.