A comprehensive corpus of user comments on online news articles on the topic of language from major Montenegrin daily newspapers and news portals, published in the five-year period of January 1, 2015 - January 1, 2020. The corpus is designed to facilitate research on metalanguage (‘language about language’), linguistic ideologies, language policy and planning, as well as the specific contemporary debates on language defining, naming, and standardisation, from the bottom-up perspective. The corpus is available in plain text version and XML with full metadata. This collection is complementary to the corpus of news articles MetaLangNEWS-Me (http://hdl.handle.net/11356/1688). Parallel versions from Serbia (http://hdl.handle.net/11356/1372), Croatia (http://hdl.handle.net/11356/1370), Slovenia (http://hdl.handle.net/11356/1362), and Bosnia and Herzegovina (http://hdl.handle.net/11356/1691) are also available.