Fire in the hole is a long standing warning shouted before detonating explosives, later adopted as a voice line in military shooters when a grenade is thrown. Online, the phrase moved from gaming clips into meme edits, where a short isolated shout became a reusable punchline for any impending disaster. Short videos, streams and soundboards keep it circulating because it is instantly understood without context, works over gameplay or real life footage, and signals an explosion is coming even when the payoff is deliberately anticlimactic.