The phrase poezd khaypa is the Russian version of the hype train idea that spread through streaming and gaming culture, where viewers pile in with subscriptions, donations and messages at the same time. Short shouted versions became popular as soundboard clips because they capture that rush in a few seconds without needing context. Russian speaking creators and international meme pages both share the sound, and its short length makes it easy to reuse in edits, live reactions and group chats whenever momentum suddenly builds around something.