The phrase comes from Russian internet slang, where 'chego' means 'what' and the second word is a coarse expletive used for emphasis, turning a simple question into an exclamation of disbelief. It spread through Russian-language meme videos, short-form edits and reaction videos, where the two-second delivery could be dropped over almost any confusing scene without translation. Because the tone alone carries the joke, it has travelled beyond Russian-speaking audiences and remains a handy shorthand for stunned, slightly annoyed confusion in online humour.