A bong is a smoking device that filters smoke through water to provide a smoother and cleaner hit. However, there are many synonyms for this popular smoking tool, including gravity bong, water pipe, bubbler, hookah, and steamroller. Each of these devices has its unique features and uses, but they all fulfill the same purpose of delivering a potent and smooth smoking experience. Gravity bongs use water pressure and gravity to force smoke into the user's lungs, while steamrollers have a straight tube with minimal filtration for a more intense hit. Whatever your preference, there are plenty of synonyms for the bong to suit your smoking needs.