The same as get your shit together. Basically means calm down, don't panic, or focus. Usually said if you are normally good at something, but aren't able to do it well because your mind is preoccupied with something else, or you're just tired.
Kevin: Get your head on straight Amit, my grandmother could have gotten that rebound.
Amit: Sorry man, I'm still tired from that party last night.
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.