Seven out of 10 children attending an obesity clinic at Temple Street Children's hospital say they've been the victims of bullying.
One tenth of those say they've self-harmed as a result.
Some kids are missing long periods of the school due to the bullying.
With a quarter of Irish children classed as overweight or obese, it is thought more and more will be psychologically affected by severe teasing.
A new report pinpoints weight as a the most common form of playground abuse.
