The line comes from Mokou, a Japanese YouTuber known to fans as Mokou-sensei and best known for Pokemon commentary and chaotic Mario Kart streams. The shout became one of his signature catchphrases, shared by viewers as a short soundboard clip and reused whenever a game turns hostile or competitive. Its appeal lies in that mix of genuine frustration and performance, which makes it easy to drop into other gaming videos, reaction edits and streams without needing any Japanese to understand the mood.