I know, I was there
When you know something awesome is about to happen, and you’re just trying to act cool while the whole world is talking about it.
'I know, I was there,' he said, while the whole school was talking about the big game.
'I know, I was there,' she said, while everyone was talking about the new dress.
'I know, I was there,' he said, while everyone was talking about the cool new video game.