They cut in line, make demands, deliver unnecessary comments that slice like a knife. As far as they're concerned, they're above everyone else. Not once does it occur to them that they may be the problem...
Many of us have encountered rude people. We can choose to take the high road, turn the other cheek, and move on with our day. But sometimes, the high road is closed. And all that's left is to give karma a little push and get revenge by beating them at their own game.
Someone asked, "How have you made a rude person’s day worse?" and some of the answers are epic.