Bubble Tea is the catch-all name for endless unusual names of this drink such as: tapioca pearl drink, tapioca ball drink, pearl shake, pearl tea, black pearl tea, big pearl, boba tea, boba ice tea, boba nai cha, milk tea, bubble drink, zhen zhu nai cha, momi, momi milk tea, QQ, BBT, PT, and possibly many other names.
This drink is far from the plain-looking tea that you are generally familiar with and it is hard to explain to the uninitiated. It is non-alcoholic and non-carbonated. The tea is sweet, though it has less sugar than a typical soft drink. There are a huge variety of flavors to try, depending on the tea house or stand you visit. The drink is usually a mix of tea, milk, sugar, and giant black tapioca balls. The "bubble" refers to the foam created by shaking the freshly brewed tea with ice (the drink must always be shaken and not stirred).