bubble teanoun [ C or U ]
/ˌbʌb.əlˈtiː //ˌbʌb.əlˈtiː/also boba tea, uk/ˌbəʊ.bəˈtiː//ˌboʊ-/a drink, originally from East Asia, consisting of tea mixed with milk or fruit flavours, to which small balls of tapioca (= a plant substance) or jelly are added. The drink is then shaken to create bubbles.