What does agg mean in slang?

"Agg" in slang most likely refers to "aggressive". It's a shortened form of the word, often used in informal conversation or online communication.

Here are some examples:

* "He's being really agg about this game."

* "Don't be so agg, just relax!"

It's important to note that the meaning can vary depending on the context and who is using it. It can also have other less common slang meanings, so it's always best to consider the surrounding words and tone.