The word 'wym' appears to be a typo or abbreviation rather than a standard English word. If we consider it as an abbreviation, it commonly stands for "what you mean." However, without a clear context or intended meaning, it's difficult to define precisely.
The term 'wym' is likely a modern abbreviation or slang used in online communication. Its origin relates to the growth of internet slang and text messaging where brevity is important.
If you meant a different word, please clarify so I can assist further!