n. a person who is an atheist but acts like a theist in front of other theists to get things done.

The word is inspired by Daniel Plainview's baptism in the movie 'There will be blood', where he fakes the whole baptism in order to build a pipeline
He is a pipeline-theist because he still lives with his parents. He'll become an atheist once he leaves his parents.
by mann September 17, 2012
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