Allahu Akbar is a well-known Arabic phrase meaning God is greatest, used in Islamic prayer and everyday expressions of awe or gratitude. Online, an elongated, drawn-out pronunciation of the phrase has circulated as a reaction sound, often detached from its religious context and repurposed for humour, irony or exaggerated drama in short videos. Its recognisability is what keeps it in circulation: a few seconds are enough to signal a grand or over-the-top moment, and creators continue to reuse it in edits, streams and compilations where a dramatic vocal cue is needed.