It can be used in several ways, as a person, someone who is crazy and sketchy and odd, you can have a good pooperdinkel or a bad one, if someone's a bad pooperdinkel you don't really like them or they are bad, if they are a good pooperdinkel they are good. Also it can be used as an alternative for cussing, like oh pooperdinkel used like you would say oh crap!
She's such a pooperdinkel, I hate her. Oh pooperdinkel I dropped my food. Look at that bad pooperdinkel.
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.