Possible Interpretations:
* Typo: It could be a misspelling of "what", "wag", or "whack".
* Slang: It might be a slang word with a specific meaning, but without context, it's impossible to know for sure.
To understand the meaning, please provide more context!
For example, tell me:
* Where did you see this word? (e.g., in a book, online, in a conversation)
* What was the surrounding text?
* Who said it?
This will help me figure out what "whag" might mean in that particular situation.