Parcopresis is described as an inability to take a shit when other people are perceived or are likely to be nearby. (e.g: in the same public toilet, house or building). This has pretty much ruined my life in many aspects so far, but its not an officially recognized medical condition.. so i guess i'll have to live with it. Fuck.
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.