open secret 

A secret that everyone knows.

VTubers' past life and face reveals are a good example for this. You may recognize their voice but you're still not allowed to tell the open secret because that would be doxxing.

open secret by fardamongus February 2, 2024

open-secret 

A secret that everybody knows

Kaylee:Hey Abdul, wanna know a secret?
Abdul: I know, everybody knows your secret, just except that it’s an open-secret

open-secret by 🦈 March 4, 2021

secret open relationship 

a relationship in which both parties participating fuck and chill but are in no way committed to each other and still see other people but don’t tell anyone they’re in a relationship

person 1: “yo is that chick single? do you think i can smash?”

person 2: “ i heard she was in a secret open relationship”

person 1: “bet, imma slide”

secret open relationship by cloutdaddyD June 7, 2019