What Habits Of People Upsets You The Most? [POLL]

I'm in a fine mood.  Trust me.  Not going to get to me today. But, I was thinking of little things that we should probably just let go and not give it another thought, yet they attach and bug us. So, the Q106.5 Morning Show Poll.  You don't have to rat anyone out, but what habits of people upsets you the most.