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The phrase works online because it functions as instant foreshadowing in spoken form. Creators place it over the opening seconds of fail compilations, gaming clips, pranks and everyday stories where an audience can already see trouble coming. Shared widely as a short reaction clip on soundboards and in edited videos, it has become shorthand for the moment a situation stops being harmless. Its appeal is timing rather than spectacle, so it remains useful across many contexts without needing the original scene to be recognised or explained to viewers.
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A short voice clip of someone saying that's how it starts, used as a reaction sound effect for moments when a small problem begins to spiral.
The sound is a brief spoken line delivering the phrase that's how it starts with a knowing, slightly ominous tone. It lands like a warning uttered after the first small mistake, suggesting everything that follows was predictable from that moment. The delivery is dry and understated rather than shouted, which makes the line feel more prophetic than dramatic. Viewers instantly understand the implication without needing context, so a single play reframes an ordinary clip as the beginning of a much bigger chain of events, mishaps or bad decisions unfolding on screen.
