The sound is modeled after the RO-ALERT emergency notification associated with Romania's public alert system. Online, that recognizable warning tone was pulled into meme edits because it instantly signals urgency before a reveal, disaster joke, or exaggerated announcement. Its popularity comes from the contrast between a serious alert sound and trivial video content, which creates instant irony. Creators often pair it with captions, hard cuts, or even a buzzer-style interruption to make the moment feel more abrupt and official.