"WYM" is an acronym that stands for "what you mean" or "what do you mean". It is commonly used in online conversations, particularly in texting and social media platforms like Facebook, Snapchat, and Twitter. It is a way to ask someone to explain what they are talking about or to seek clarification. Sometimes, "WYM" can also mean "watch your mouth," which is a more aggressive way to tell someone that you dont like what they said and get them to rethink what they say in the future. The meaning of "WYM" depends on the context in which it is used, and it is essential to look at the context to understand the intended meaning.