The phrase combines familiar slang with OMM, an abbreviation widely used online for on my mama, a way of insisting a statement is true. No single original recording or creator is widely documented, and the clip has instead spread as a shareable soundboard reaction. Its short length and emphatic delivery made it easy to reuse in TikTok edits, gaming clips and chat replies, where it signals hype, agreement and mock-serious disbelief without needing any context from a longer scene.