Kurlyk is the Russian word used to imitate the soft, rolling coo of a pigeon, and the doubled form kurlyk kurlyk has circulated online as a short meme sound rather than as a line from a film or song. It fits the wider internet habit of turning animal noises into reaction audio, where a familiar bird call becomes shorthand for confusion, stubbornness or playful nonsense. Because the clip is only about six seconds long and instantly recognisable, creators reuse it across short videos, edits and chat messages whenever a scene needs a quick, lighthearted animal reaction.