You have all heard of the blame game right? Well now is the shame game. First person poster posts a "good dead" they did(Real or fake.) Next person posts a reason they should be ashamed and another "good dead" and so forth.
Example:
Player A:I helped a lady across the street. Player B:You stopped up traffic to help an old prune? I killed a bank robber while he had the cashier at gun point. Player A:How could you take an innocent mans' life?