Fake oopsie.
A term used to describe a moment in which someone acts like they meant to do or say something as a mistake but in reality they intended to do it, more than likely for attention. Pewdiepie doesn't approve of fake oopsies!
Girl: Omg, I just took this selfie by accident! Eww, look.
Pewdiepie: No! I call bs! Fake oopsie.
Pewdiepie: No! I call bs! Fake oopsie.