An expression from the Nagamese language (in a heavy Konyak Naga tribe accent) which means, "this is it" or "THIS!". It is used generally when a person agrees with something. This expression became a viral meme that spread far beyond Nagamese speaking areas.
Oi! Aji din toh over gorom ase kela. Pani giri bi na laura. It's too hot today, please fuckin rain for fuck's sake
*Rain starts pouring*
ETU KWA RUU!!