The 'Youtube Laughing Baby' video, originally titled 'Hahaha - Baby Laughing,' went viral in 2006, becoming one of the first global sensations of the platform. The clip features baby Ethan McArthur being filmed by his father, Marcus McArthur, as the infant erupts into fits of hysterical laughter while Marcus rips up a job rejection letter. This spontaneous moment of pure, high-pitched joy resonated with millions, capturing the essence of early internet wholesomeness and the simplicity of childhood humor. In modern meme culture, this clip is used as the ultimate reaction for finding something unexpectedly hilarious or for moments of maniacal glee. It represents situations where a person finds humor in something mundane, destructive, or slightly mean-spirited, like a 'schadenfreude' moment. Example caption ideas include: 'Me watching my life fall apart like it’s a comedy special,' 'When the group chat finally delivers a top-tier roast,' and 'Me reading my bank statement after a weekend of bad decisions.'