Bullying is unwanted, aggressive behavior that involves a real or perceived power imbalance. The behavior is repeated, or has the potential to be repeated, over time. Both kids who are bullied and who bully others may have serious, lasting problems.
In order to be considered bullying, the behavior must be aggressive and include:
As of June 2017, Gov. Greg Abbott signed Anti-Cyberbullying into legislation. As a result, the above information also applies to cyber based bullying incidents.
Bully definition referenced from