Selam Aleykum, also written Selamun Aleykum, is a traditional greeting meaning peace be upon you, used across Arabic-speaking communities and in everyday Turkish speech. Online, the short spoken form has become a familiar opener in Turkish meme culture, gaming clips and short-form videos, where creators use it to greet an audience in a warm, instantly recognisable way. Its brevity and clear delivery have kept it popular as a reaction and intro sound, especially in edits that play on friendly, welcoming humour rather than a specific film, song or viral moment.