What is the punctuation for go away?

"Go away" doesn't require any specific punctuation. It's a complete sentence on its own. However, the punctuation you use will depend on the context and how you want to express the sentence.

Here are some examples:

* As a simple command: Go away. (Period)

* As a statement of urgency: Go away! (Exclamation point)

* As part of a larger sentence: "I told you to go away!" she yelled. (Comma, exclamation point)

Ultimately, the best punctuation choice will be the one that best conveys the tone and intention of the sentence.