No contestes is a common Spanish phrase meaning do not answer, and short voice notes using it have circulated widely as a WhatsApp audio joke. Instead of typing a reply, people forward the clip to signal they are deliberately ignoring a call, a voice note, or a persistent contact. The humor comes from using someone else's voice to deliver a blunt instruction. It remains popular in group chats and meme edits because the situation is universal and the phrase needs no explanation for Spanish speakers.