The clip comes from Counter-Strike: Global Offensive, Valve's tactical shooter where Terrorists win a round by detonating the bomb and Counter-Terrorists win by defusing it. Lines about the objective, including the iconic bomb has been planted callout, became shared shorthand in the community. Players clipped short radio and announcer moments for montages, streams and soundboards, and this can't stop variant spread as a reaction to clutch plants and unstoppable pushes. It remains popular because every CS player instantly understands the pressure behind it.