Tnn_zenshhiny_alcnyekorystnyezlobnye [Web]
It belongs to the "incel" or "doomer" subcultures of the Russian web (like 2ch or Dvach), where such cynical mantras are repeated as a form of dark humor or social commentary.
An acronym for "Тян Не Нужны" (Girls are not needed), a common cynical slogan in certain online subcultures. Zenshhiny (Женщины): Women. tnn_zenshhiny_alcnyekorystnyezlobnye
The phrase "tnn_zenshhiny_alcnyekorystnyezlobnye" translates roughly to: It belongs to the "incel" or "doomer" subcultures