To stop living. Also just happens to be the singular form of dice.
I tried setting up a stand for dice sales, but my sign that said "Die Here!" didn't attract anyone.
That one old lady who always tells you to park your car somewhere else because the bus is going to park there, even though you're fifty meters away from said spot.
Adam: Hey John, what is that old lady doing there?
John: Ahh shit park somewhere else! She's the bus nazi
Adam: The what?
John: THE BUS NAZI!