FunLabFactory on Instagram: "The post shares a viral elevator prank video by Indian creator The Sarcasm Adda, featuring sudden loud dance music blasting from a portable speaker, prompting passengers to awkwardly groove in surprise, set to upbeat tracks like "Let's Dance." Uploaded on November 4, 2025, by musicology PhD and meme enthusiast @TheFigen_ , it garnered over 10,000 likes and 500,000 views in under a day, underscoring the enduring popularity of feel-good, spontaneous humor on X. User re