Here are a few websites that can help you better understand what cyberbullying is:
Cyberbullying can often be related to the electronic posting of mean-spirited messages about a person (such as a student) often done anonymously. Cyberbullying can result in serious problems for those inflicting the harm and those receiving it.
Cyberbullying can look like:
Sending mean texts or IMs to someone.
Pranking someone's cell phone.
Hacking into someone's gaming or social networking profile.
Being rude or mean to someone in an online game.
Spreading secrets or rumors about people online.
Pretending to be someone else to spread hurtful messages online.