1 definition by TReneee

Being unable to be the main character in your life, always looking for someone to fill the void.
It defines a person so insecure that they actually look for leaving in the shadow of their best friend that they have chosen.
Eventually they will adopt the personality of their best friend to be liked in social settings.
Gretchen in Mean Girl that would do anything to look like and be liked by Regina. And at the moment she is no longer popular, she switched to Cady. She has the sidekick syndrome, incapable of being her own person.
by TReneee November 22, 2020
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