Communication between speakers and hearer should fulfil maxims in order to have an effective communication and to avoid misunderstanding. In fact, sometimes people blatantly flout the maxims but people mostly have reasons behind that and whenever a maxim is flouted there must be an implicature to save the utterance from simply appearing to be a faulty contribution to a conversation. The importantance of the research is about finding out the dominant flouting of maxims during the conversation between the participants in Hitam Putih talkshow. Besides, the purposes of why flouting the maxim was also displayed as to make this research become more comprehensive. Why a certain dominant maxim was flouted but not another maxim. In analyzing the data, the writer uses Grice's theory on maxim. The data were collected by searching, listening and making the transcripts, watching the record for many times, grouping the conversation, deciding which maxims are flouted based on the criteria, finding the reasons of the flouting. As the result, the writer found that the first most flouted maxim is the Maxim of Quality. The reasons of flouting this maxim are to make a joke and to give a clearer information. In making a joke, a speaker can pretend not to know something, pretend not being honest, and this pretendings are clearly flouting the quality maxim. That is why the quality maxim is flouted to make a joke. Another flouted maxims are also found from the data which are flouting the quantity maxim to give clearer information, to stress something, to avoid unpleasant situation. The relation maxim is also flouted as being polite, and the last the manner maxim is flouted as to make a joke. The characteristic of Indonesian speaker with long winded and not to the point, has in fact influence the flouting the maxim.