in analogy to the torture method of waterboarding; it means having to sit through the mind-numbing, nerve killing, boring recounts of some turd you cannot walk away from for diplomatic, social reasons or just out of respect.
John Stewart (The daily show):
So how did John Kerry convince Karzai to change his mind. Oh I know: listening to John Kerry go on and on, tat's like waterboring.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.