To suffer inexplicable pain of some sort. This pain isn't necessarily physical, however. The usage of the word "world" doesn't always implicate a great length of time that the pain will exist, but rather the magnitude of the pain.
I spent my first year of college drinking and failing classes. Now Daddy won't pay my tuition, and I have to go to community college. I'm in a world of hurt!
Dad: Son, did you go outside without my permission again?
Son: (lying) No, Mom said--
Dad: *removes belt* You're about to be in a world of hurt!
Son: *starts crying even though he hasn't been hit yet*
Dad: Why are you crying? I haven't even hit you yet! But don't worry, i'm about to give you something to cry about.
church hurt 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 church hurt 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.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"