In addition to being a kind of chair, a 'rocker' is a device that controls the movement of a piece of machinery. When a machine is off its rocker, it no longer works correctly.
1) You can't walk down the street in your underwear! Are you off your rocker?
2) I'm afraid Aunt Betty is really off her rocker these days.
churchhurt is where you experience a degree of distance, pain, or judgement from your church community. Essentially, you are just unable to “find your place”. This is prevalent in the Christian community, but can be extended to other religions.
Now that I am an adult I am beginning to heal from the churchhurt that was inflicted on me as a child.
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.