Cheating is always not a good act in a relationship. The person who gets cheated will have a lot of pain when they know it. Some people get depressed in that state. But some others will come up with a fitting revenge.
Here are some instants where cheaters shamed in public.
#1: Nothing better than NFL
Can there be a better event to let the world know about your cheating boyfriend than the NFL?
#2: Let your neighbours know
Seems to be a good reason to sell the house and start a new life.