When two couples come together for shenanigans and focus their time, for the duration of the the experience, on the opposite spouse; this experience is has previously been known as wife swapping. DILF Flipping is a non-patriarchal, modern, female forward term for wife swapping
Hey Suzie, when the four of us go out this weekend, are you comfortable DILF Flipping again? I really want that back massage with with strings attached your husband has been promising me
The act of Switching tabs while Watching Porn Mainly used to prevent Someone to see your true nature; Changing Tabs to hide what you're watching from a friend, parent, or etc.
Boy: (at Night watching Porn)
Parent: (comes in without knocking) wtf are you doing?
Boy: nothing! (Switches Tab)
Parent: (looks at screen) you are such a fucking Tab-Flipper!