hooraytheist Share definition Flag A euphemism for atheist. Used to lessen the negative connotations behind the term atheist. I'm an atheist, but I call myself a hooraytheist so I don't offend my super-religious friends. hooraytheist by eldavid September 15, 2009 0 0 Get merch Get the hooraytheist mug. Buy Now — $32.95 See more merch