The gentle rour circulates online as a short user-shared soundboard clip labelled as a rat noise, with no confirmed character, anime or film source attached to it. Its appeal comes from its brevity and the misspelled rour spelling that users search for when sharing it. Short animal noises like this spread through meme edits, pet videos and reaction posts because they can be dropped in instantly without context. It remains popular for creators who need a soft, non-scary growl that signals attitude without breaking the cute tone of a scene.