奶昔 Traditional form: 奶昔 Pinyin (reading): nǎixī Definitions: milkshake (Note: 昔 (xī) is loaned from English "shake" via Cantonese 昔, pr. sik1) Characters: 奶 - milk; breasts; nurse, grandmother 昔 - past, former; ancient Traditional characters: 奶 - milk; breasts; nurse, grandmother 昔 - past, former; ancient