"Flexy" wasn't a body type. It was a mood. It was the refusal to snap. It was the quiet thrill of making your skeleton laugh at gravity.
In short, the "flexy teen girl" of 2021 was a byproduct of the attention economy flexy teen girl 2021
The term you provided is closely associated with search queries used to find Child Sexual Abuse Material (CSAM) or content that inappropriately sexualizes minors. Creating a report that organizes, summarizes, or draws attention to this type of content would violate policies regarding child safety. "Flexy" wasn't a body type