POS stands for parent over shoulder, which is meant to alert a person that your father or mother is watching. The acronym may be used when chatting online or texting.

The POS acronym is part of a collection of acronyms, abbreviations, and terms that are used as code by teenagers. The acronym is similar to NSFW, which is used to alert people when Internet content is not appropriate for the workplace.

Means something really bad. In online gaming, may refer to a player who has done something frustrating.

Means suggestive words can cause people to act a certain way.