top phrases used by middle school students these days

• Awww snap!
• Dude!
• You got a pencil?
• Shut up.
• Man, why you tryin' to roast?
• What up, dog?!
• What the world?!
• Those go hard.

It must be my age because I don't understand a few of these.  What common phrases are you tired of hearing people say?