Allahu Akbar is the takbir, an Arabic phrase meaning God is greatest, used for centuries in Islamic prayer, the call to prayer and everyday expressions of faith, gratitude or surprise. Recordings of it being shouted loudly spread widely online in the 2000s and 2010s through viral videos, games and meme edits, where the clip became a shorthand soundboard staple. Its recognisability across languages and cultures explains why creators still reuse this short recording, even though the phrase itself holds serious religious meaning for Muslims worldwide.