ABSTRACT Name : Hafni Ayu Dewi Manurung Student No : 1306102020095 Study Program : English Education Title : An Analysis Of Slang Terms In The “Deadpool” Movie Keywords: Slang terms, Deadpool movie This study aims at investigating the types of slang and finding out the functions of the slang used in the “Deadpool” movie. A descriptive qualitative research was used with the document analysis design. In this research the writer used the theory of Allan and Burridge (2006) in identifying the types of slang and classifying its functions. The result of this research showed that there were 5 types of slang used in the “Deadpool” movie. They were fresh and creative, flippant, imitative, acronym and clipping. The type of imitative dominates the type of slang words used in the Deadpool movie. While regarding the functions of slang, it was found 7 functions of slang in this movie. They were to address, to humiliate, to initiate relax conversation, to form intimate atmosphere, to express impression, to reveal anger and to show intimacy. The function of slang which has the highest frequency discovered in this movie is to humiliate. In conclusion, slang is a common word used in spoken language. We need to understand them in order not to get misunderstanding.