Here are some examples of how "woah" can be used:
* Surprise/Amazement: "Woah, that's a really cool car!"
* Sudden Realization: "Woah, I didn't realize it was that late!"
* Caution: "Woah, slow down! There's a red light!"
* Disapproval: "Woah, that was a really rude thing to say!"
The specific meaning of "woah" can vary depending on the context and the tone of voice used. However, it generally conveys a sense of suddenness, surprise, or strong emotion.