Hey Shawty Meme

Jul 20, 2012'hey, is for horses' is a complete non-sequitur. “but hey, at least now you know.” as opposed to, “but, hey, at least now you know.” the question also applies to other interjections like “hey son” and “oh well.”. I really want to know what's the difference between hi and hey in writing an email?

That being said, i rarely (if ever) hear someone use "hey there" or "hi. "hey, haven't seen you in ages! Basic grammar may tell you the "hey" is an "interjection." when used to specifically address a person (or an audience,) as in your example, the hey there is a "vocative adjunct" with an.