The article discusses the issue of dialogical cliches of Internet communication, which takes an increasingly significant place in everyday communication of modern man. The analysis was carried out on the material of comments on the musical stream on the YouTube channel with more than three million subscribers, which indicates the mass of the observed facts. Given modern ideas about speech cliches, their semantic and discursive capabilities, as well as stream as a new hypermedia genre observations on cliched remarks in the comments, their typology is revealed, novelty and specificity are evaluated. So, it turns out that primarily replicas of self -presentation, gratitude and assessments are clicked. The role of a streamer is noted, which not only leads a dialogue, but also sets the vocabulary, some rules of communication and, in particular, offers replicas that are picked up by the audience, getting the opportunity to become dialogical cliches. Although the stream material does not allow making global generalizations about cliches in Internet communications, it can be concluded that for it the formation of new clichés ones and the demand for classic ones is characteristic, as for colloquial speech, while the actual composition of the clicked replicas is set by the content of the stream and the conditions of communication, the most important of which one should recognize the nature of the relationship between the streamer and the spectators who become commentators.