Harold se apago is a short Spanish phrase that translates as Harold turned off, and it circulates online as a brief reaction sound. Its exact original recording is not widely documented, but the clip has found a home on soundboards where short phrases are shared for memes, edits, and chat reactions. The humour comes from treating a person like a device that has been switched off, a simple idea that works across gaming and streaming. Because the phrase is short and clear, it continues to be reused whenever someone goes quiet or stops responding.