Majnu Bhai is a character from the 2007 Bollywood comedy Welcome, played by Anil Kapoor as a lovable, art-obsessed gangster alongside Nana Patekar's Uday Shetty. His hearty laugh became one of the film's most quoted moments, and years later Indian meme pages and short-form creators began reusing it as a reaction sound for jokes, fails and wholesome silliness. Because the laugh is warm rather than mocking, it works across languages and contexts, keeping it popular in reels, WhatsApp forwards and comedy edits long after the film's release.