To say someone (usually female) has bad grades is a euphemism for saying they have large breasts. For instance, a girl with D's (really bad grades) has really big breasts. You can say the worse the grades someone has, the bigger their breasts.
Did you see the newgirls in English class, she had really bad grades!
I've never seen someone with such bad grades!
Have you seen Jessica lately? Her grades have been getting worse and worse.
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.