Luigi is Nintendo's lanky green-clad brother of Mario, known for being nervous, unlucky and second to his sibling, which makes an unhappy Luigi line instantly readable as a meme reaction. Clips of game voice lines like this spread through soundboards, edits and short videos because they sum up frustration in under two seconds. It sits alongside other quick reaction drops like bruh and emotional damage meme sounds that creators reuse for fails, and its appeal comes from Luigi's long-running role as the relatable underdog rather than the hero.