4
Sleep in class. This works best if you are either in the back of the class or if you are watching a movie in class; all you need to do is put your head down and close your eyes. Nothing is more annoying or disrespectful than falling asleep while your teacher is talking. If you can't actually fall asleep, you can fake it.
You can fold your arms across your desk and get a big smile on your face or snore, making sleep look so appealing that other students want to copy you.
Another annoying thing you can do is to pretend to sleep for a while, and then wake up and ask a bunch of questions that the teacher answered while you were "sleeping.