The 'Mmm Hmm Song' or 'Chest Thump' originates from Martin Scorsese's 2013 biographical film 'The Wolf of Wall Street.' In this iconic scene, the seasoned stockbroker Mark Hanna, played by Matthew McConaughey, meets the young Jordan Belfort, portrayed by Leonardo DiCaprio, for a lunch that will change Belfort's life. Mark Hanna begins a rhythmic chest-thumping and humming ritual to explain how he stays 'relaxed' and focused amidst the high-pressure environment of the stock market. DiCaprio’s character eventually joins in, signaling his initiation into the chaotic world of finance. As a meme, this clip is the universal symbol for being in 'the zone' or sharing a specific, often questionable, vibe with someone else. It represents confidence, getting hyped for a risky plan, or the feeling of mutual understanding between friends. It is frequently used in financial contexts, sports, and social situations where people are feeling themselves. Example captions include: 'Me and the homies after a 2% gain in the stock market,' 'When you and your best friend realize you're both equally delusional,' and 'Entering the weekend with absolutely no plan but a lot of energy.'