The phrase refers to a highly specific category of contemporary digital fiction written in the Meitei language (Manipuri). Translated literally, it points to "stories about physical intimacy or relationships with a brother-in-law" that gained traction online around the year 2021.

Etei na thu naba wari 2021 refers to a serialized Manipuri romantic drama that gained popularity on social media platforms in 2021

The literal meaning of could be broken as:

If you want to explore further, let me know if you would like an analysis of , the evolution of Meiteilon internet slang , or how online community moderation handles regional languages. Share public link

This appears to be a (or a line from a song) from the album/label associated with the 2021 Assamese music scene. However, after checking available records:

: Melodramatic conflicts involving hidden identities, unrequited neighborhood crushes, or socially complex relationships form the core tension.

A significant driver in the modern revival of these tales is the "Funga Wari" writing and painting contest. A news article from e-pao.net highlights that this contest, organized by the IMPFO, successfully encouraged children from across India to participate and engage with their cultural heritage.