A water pipe used for "smoking" shisha. Comes in various sizes, and is believed to originate in Turkey. A great party item and for those wishing to chill out.
It's debatable if it's as harmful as cigarettes.
If a health nut/vegetarian who lives off tofu and kale eats peanut butter, it probably won't be that great for them. But for a fat guy who lives off McDonald's and junk food, peanut butter is a better choice. Same basic principal.
90 year old Arabians who have smoked Hookah their whole lives are still just as healthy.