What is Cyberbullying? the use of electronic communication to bully a person, typically by sending messages of an intimidating or threatening nature.
What to do if you're being cyberbullied? If you or someone you know is being cyberbullied, you should tell an adult, a parent, a teacher, or anyone you trust that is a grown up. Contacting someone with authority like a parents, or teacher can be scary at first, but if you think that you are in any danger, getting help should be the first step.
Links: Unicef.org Cyberbullying.org