What is texting heyyyy?

"Heyyyy" is a common variation of the word "hey" used in texting and instant messaging. The intention behind adding extra letters to the word "hey" can vary depending on the context and relationship between the two individuals communicating. In some cases, it can indicate excitement or enthusiasm, while in others, it can be seen as flirtatious. Additionally, using excessive letters in a word may also be considered informal or casual language.