Cepillo is the Spanish word for brush, covering both a toothbrush and a hairbrush, and the phrase mira su cepillo has circulated as a short TikTok reaction clip. Its spread comes from repetition in edits where creators point the camera at an unremarkable brush while the audio treats it like a spectacle. The clip lasts about fifteen seconds, long enough for a setup, reveal and lingering joke. Spanish phrases like this often travel beyond Spanish speaking audiences on TikTok because the tone and timing communicate the humour without needing full translation.