This study aimed to investigate the types of slang that Amber J. Liu most often uses on her Twitter account. Slang is a language that has new value and is used by a specific group for a specific purpose, and is considered to be popular at the time and changes with the times. Therefore, this study aims to clarify the following research problem; what are millennial slang word and the types of slang were found in this study. The researcher used the descriptive qualitative method. The data of this research collected from Amber J. Liu in her Twitter account. The supporting instrument in this research is document analysis (screenshot) on tweet of Amber J. Liu Twitter wich contain slang words. The data collected from September 2020 until Februari 2021. The result show that there are 24 millenial slang. This research analyzed five types of slang words based on theory by Allan and Burridge cited in Putra. As a result, the types of slang words were 3 fresh and creative, 3 flippant, 1 imitative, 3 acronym, and 14 clipping
