Facebook Knowledge
When you know something about someone before they even say it in real life because they post everything on Facebook like they're trying to be famous.
Your mom posted that she got a new boyfriend. I said, 'Oh, that's why you've been acting so happy.' She said, 'You were watching me?'
Your brother posted that he got a new car. I said, 'That’s why you’ve been acting so smug.' He said, 'You're like a detective.'
Your friend posted that she’s going on vacation. I said, 'That’s why you’ve been acting so excited.' She said, 'You were watching me?'