This sound comes from WWE commentary associated with Randy Orton’s RKO finisher, a move especially known online through “RKO outta nowhere” compilations and reaction edits. The urgent call spread widely across YouTube, meme pages and short-form videos because it perfectly matches sudden impact. Its popularity lasted because the structure is simple: warning, warning, warning, then payoff. That makes it easy to sync with surprise tackles, slapstick crashes and exaggerated meme hits, much like the over-the-top energy of WOW (MLG).