Unlike a clip tied to one film or show, Mrnjau circulates mainly as a short TikTok trend sound, passed between pet videos, reaction edits, and soundboard collections where its brief length makes it easy to reuse. Creators tend to reach for it when they want a cute, slightly cheeky cat voice rather than a sad meow or a loud animal noise, and its simplicity helps it fit many different animals and captions. Because it needs no context or dialogue to be understood, it keeps resurfacing in new edits long after its first wave of posts.