Facebook O.G.
A person who joined Facebook in the earliest days and still acts like they invented the internet and the whole idea of social media.
'I joined in 2004. I didn’t even know what the internet was. Now I’m telling you how to use Facebook.'
'They were on Facebook before it had stories. Now they post stories every day and still think they’re the best.'
'Back in 2005, they had to be a college student. Now they’re still posting college stuff like they’re still in school.'