The line comes from the 2009 South Park episode Margaritaville, where Stan takes his money to a bank and a banker quickly invests it, loses it, and dismisses the loss with the phrase. The scene parodied risky banking during the financial crisis, and the clip later spread online as a reaction for any sudden loss. Its short length and flat delivery made it easy to reuse in gaming, finance and fail edits, so it remains a standard shorthand for something vanishing without warning or explanation.
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And It's Gone is the deadpan South Park bank line used as a meme sound effect for money, progress or plans disappearing instantly in videos.
A calm male voice delivers the line 'and it's gone' with flat, matter-of-fact timing, as if a total loss is completely routine. The clip is very short, with a brief pause before the final word that makes the drop feel sudden and final. There is no music or extra noise, just the dry delivery that turns bad news into a punchline. Viewers instantly understand something valuable has vanished, and the understatement makes the moment funnier rather than dramatic, which is why the sound lands so well after a failure, a bad purchase, or an empty account reveal.