Definitions by 1234456hjk

Former fat kid syndrome

When someone who was previously a fat/unattractive child loses weight or "glows up" and overcompensates for their past insecurities by acting out. Usually they end up acting like the same people who bullied them growing up.

Friend 1: Emily lost weight and now acts like she's better than everyone.
Friend 2: classic Former fat kid syndrome.

Former fat kid syndrome by 1234456hjk July 22, 2020