Kalian, also known as shisha or hookah, is a type of water pipe used for smoking flavored tobacco. There are several synonyms for this word, including narghile, argileh, and hubble-bubble. The term "narghile" is typically used in the Middle East and North Africa, while "argileh" is a common term in Lebanon and Syria. Hubble-bubble is a term used in India and Pakistan, and it refers to the bubbling sound the water makes when a person inhales from the pipe. No matter which synonym is used, kalian remains a popular method of socializing and smoking throughout the world.