To go from being an unpopular, chubby little kid who was chasing girls and couldn't seem to catch them, to being chased after and making sure I ran slow enough that I did get caught, it was 180 degree turn. It was being given the keys to the candy store.
Some think the only way to get even, to get attention or advantage, or to win is to bash people. This kind of behavior is never appropriate. Oftentimes character and reputation and almost always self-esteem are destroyed under the hammer of this vicious practice.