mehtheist Share definition Flag one with no religious preference, and has no plans to get one. in short, they really don't care. they also don't care what religion you are. So, you're Catholic. That's fine. I'm a mehtheist myself. mehtheist by wpk914 October 31, 2010 0 0 Get merch Get the mehtheist mug. Buy Now — $32.95 See more merch