Out-slut

Especially at Archer, which is a private, all-girls school in Brentwood, where every girl's main objective was to out-slut the next.

Source: wiktionary

But this event is literally girls trying out-slut each other for male approval.

Source: wiktionary

Halloween has sadly evolved from a simple holiday where kids dress up and go door-to-door trick-or-treating to a holiday where girls try to out-slut each other at whatever dignified evening festivities they choose to partake in.

Source: wiktionary