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.
An allergic reaction to oysters or other shellfish could cause puffy lips. Exposure to common allergens may cause the lips to become itchy or puffy, in addition to other symptoms. Environmental allergies may cause runny noses and puffy lips. An infection can cause lips to swell and become puffy. Some people suffer from allergies that are triggered by pet dander. An allergic reaction to toothpaste may cause puffy lips.