face pusher
A person who crashes into your personal bubble with their face like they're trying to start a fight and they're already halfway there.
At the mall, some guy walked up to me and said, 'You're blocking the way, and I'm not happy about it.'
My friend walked into my house and said, 'I'm here to challenge you to a duel.'
My teacher walked up to me and said, 'You're not passing this class unless you prove me wrong.'