Background: This research studies about profanity types made by professional players in the documentaries video True Sight by Valve on YouTube. Purpose: The aims of this study are to recognize the applications of each profanity types, to explain the types of profanity word the utterances that used, and to find out the most frequent types of profanity types of the utterances that used by the professional players in documentaries video True Sight on YouTube. Design and methods: To achieve the aims of the study, the writer uses Steven Pinker’s theory of profanity types to analyzing the data. This study is a qualitative which the writer interprets of utterances that contain the types of profanity words in this documentaries series. Results: The result of study showed that 30 utterances of profanity word were successfully identified that made by the professional players. In this study, the writer found that the professional player uses all the types of profanity, such as, abusive swearing, idiomatic swearing, dysphemistic swearing, cathartic swearing and emphatic swearing. There are 32 types that identified out of 30 utterances uttered by the professional player which conclude 9 emphatic swearing or 28.1%, 7 cathartic and idiomatic swearing or 21.9% , 5 abusive swearing or 15.6%, and 4 dysphemistic swearing or 12.5%. So it can be concluded that the dominant profanity types is emphatic swearing, because this documentaries video contained many profanities of the professional player as a gamer in the gaming community who has a culture of not to speak in a formal conversation.