Abstract Abstract Name : Muhammad Hafid Student Number : 1206102020024 Study Program : English Education Title : The Analysis of Indonesian slang words found in The Comment TV Program Keywords: Word Formation Processes, Contextual Meaning, Slang. This thesis was conducted to focus on the word formation processes of Indonesian Slang Words found in The Comment TV program and their meanings. Slang words also undergo some processes in its formation; those slang words are formed through the process. The research design of this study is descriptive qualitative. This study used observation and documentation as instruments. The theory of word-formation processes is promoted by Yule (2010) and theory of contextual meaning by Leech (2014). The data were collected through observation and document analysis. The writer found 7 types of word-formation and 3 processes of word-formation are not found. There were 81 Indonesian slang words which are found from the hosts and guests' utterances. The writer found 31 of borrowing, 13 of clipping, 11 of coinage, 9 of blending, 8 of derivation, 5 of acronym, and 4 of multiple processes. By knowing the way of the slang word formed, it will help the readers to increase knowledge especially in understanding the processes how slang words are created in society and being used in conversation. Hopefully, it might be useful for other researchers who are interested in slang.