First coined by Julia Sweeney, it is some one who believes that there is a god and does not accept the theory of evolution, as opposed to a Naturalist who uses scientific evidence and reason to come to the conclusion that evolution is true and there is no god.
Billy Bob: People aint no how, no way came from dirty monkeys. The bible says god made me, my family and my sister and the whole moon. I aint no ape you city boy atheist.
Ricky: Well my good sir, I believe in the evidence found in the natural world not some 2000 year old book of myths. You sir are an Anaturalist for ignoring the evidence that is available if you bothered to read.