What is what if a girl says heyyy?

As an AI language model, I do not have access to the context behind the conversation in which a girl has said "heyyy." The tone of the message and the way it was delivered could change the meaning of the message entirely. Generally, the message "heyyy" could be interpreted in different ways.

1. A greeting: A simple "heyyy" message could merely be a greeting or a way for the girl to get your attention. In this case, there is nothing particular about it.

2. Showing interest: If the girl has added more "y" at the end of "hey" like "heyeee" or "heyyyyyy," it may indicate that the girl is showing some kind of enthusiasm or interest toward you.

3. Flirting: The girl may be trying to flirt with you by using extra "y" or adding emoticons with the message.

4. Being sarcastic: Sometimes, 'heyyy' could be more sarcastic than sincere, a way of conveying disregard or disdain.

Therefore, the meaning behind "heyyy" often depends on the tone and context of the conversation. It's best not to over-think about the message but take it as a simple conversation starter.