What is what does heyyy mean from a guy?

As an AI language model, I do not have personal experiences and emotions, but I can give you general information regarding what "heyyy" means.

"Heyyy" is a casual greeting commonly used in text messages or social media messages by guys, to initiate a conversation or respond to someone's message. It is a simple and informal way of saying "hi" or "hello" and can be abbreviated as "hey" or "heyy" as well. The way the guy spells it, how many "y's" he used, and his tone of voice can help convey different meanings or intentions. Overall, "heyyy" is a friendly and informal way to start a conversation.