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.
Your lip swelling is caused by hives. Its confusing because it is caused by allergies but can be hard to figure out what you are allergic to. Since it is a t night i would first look at the detergent you wash your sheets with. Also look at your pillow if it has feathers you may be allergic to.