Atheist prayer bumper sticker Posted on 2012/07/11 by admin Funny atheist prayer bumper stickers to offend religious folk who pray.If you're an atheist who likes to cause offence these offensive atheist bumper stickers are the offensive atheist stickers for you.. product tags: atheist, atheism, athiest, athiesm, offensive, humor, humorous, tasteless, humour, agnostic, skeleton, bumper stickers,