The she's a 10 but format grew out of a TikTok rating game that spread widely in 2022, when creators took turns naming an attractive person and then adding one habit or trait that lowered their score. The game caught on because it was easy to copy, endlessly adaptable, and perfect for comments and duets, with viewers arguing over how much each flaw should cost. It has stayed popular as a shorthand for dating humour, red flags, and playful roasting, long after the original wave of videos faded.