1) Huge groups walking slowly ahead of you on the sidewalk and there's no way past them.
2) Sticking gum under tables.
3) Using 'gay' to mean lame.
4) You let people past but they push past you anyway.
5) They don't pay attention to what you say.
6) They don't thank you for holding the door for them.
7) Invade your personal space.
8) When people get angry when you don't move out of their way when you didn't even know they were behind you.
9) People who yell in your ear when you're right next to them.
10) Bullying just for their amusement.
