The sound comes from the Counter-Strike series, where the planted C4 bomb explosion marks the end of a round if it is not defused in time. It became widely reused in gaming montages, frag videos and meme edits because even a short snippet instantly tells viewers something catastrophic just happened. The clip still shows up in Counter-Strike and broader shooter content thanks to its recognizable timing, its heavy impact, and its link to classic bomb-defusal gameplay. Sometimes creators pair it with Boom! Headshot! for old-school FPS humor.