POS is an acronym often used in Online Chat, it stands for "Piece Of Shit."
After watching a video of someone doing something terrible such as punching a senior citizens and then pissing on their service dog, the viewer of the video might make the following comment in regard to the perpetrator, "I wish this POS dies a VERY slow death."
- Parent Over Shoulder - If your parents are monitoring your chat, telling the other individual #POS means that they should watch what they say since your parents are around.
- Positively Outstanding Service - A term used to describe the outstanding service provided by an individual.
- Point Of Sale - Place where a sale takes place such as a cash register in a store.