She is a girl with curly red hair and green glasses. She and Riley grew up together and were best friends back in Minnesota. She played as forward on the same hockey team as Riley.
They were separated when Riley's family moved to San Francisco. The day after she arrived at San Francisco, Riley has a Skype conversation with Meg. Things are going fine until Meg enthusiastically starts talking about a new great friend she has. Riley takes this very badly, feeling like she has been replaced, and her Anger causes her to brutally hang up. Riley gives up her sense of friendship as a result.