This sound is shared online as a Puss in Boots reaction clip and is commonly labeled with searches like “oooh cat” or “puss in boots oooh.” Its popularity comes from how quickly the vocal communicates playful surprise in a very short space. Meme makers use it in reaction edits, pet videos and reveal jokes because the character association makes the moment feel expressive without needing extra dialogue. The clip still circulates because it is easy to recognize, easy to loop and fits short-form editing styles.