A person who believes that words such as "sanctity", "spirit", and "god" have no meaning because they refer to subjects that humans can't comprehend.
Religious man: "Don't you feel the love of Jesus raining down upon you?"
Theological Noncognitivist : "What's a jesus?"
An atheist who reads Wikipedia to much in an attempt to seem more interesting.
Future Mother-in-law: "So what religion are you?"
Future Wife: "Oh, Mom, he's actually..."
Atheist: "That's alright honey. I'm a theological noncognitivist."