Mellstroy, the stage name of Belarusian streamer Andrey Burim, built a large Russian speaking audience with chaotic live broadcasts and exaggerated reactions. Clips from those streams are frequently cut into short sounds and shared across TikTok, Telegram and meme pages, where the language barrier matters less than the emotion. Nikhuya ty blyat is a profane Russian exclamation of extreme surprise, roughly expressing total disbelief at what was just seen. Short reaction lines like this survive because they are instantly reusable, fitting gaming highlights, prank clips and any video built around an unbelievable moment.