B-Dawk
Trying to look busy when you're the only one who isn't. Usually happens when the spotlight is on and no one else is watching.
He waited until the game was over to sprint into the pile like he just saved the day.
He waited until the meeting was almost done to say 'I was here the whole time!'
She waited until the final question to yell 'I knew that!' when the whole class knew it already.