1) The central element to a well-known 'knock knock' joke.
2) A surprisingly common sexual practise where the participants will continually interrupt each others moans/groans/constructive criticisms with loud mooing noises. Can be used to either 'spice up' a flagging love life or cause laughter in the bedroom (the good kind).
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.