The phrase comes from MattHQ, whose name is attached to the clip as it circulates on soundboards and in short form edits. Rather than a scripted catchphrase, it spread because the situation is universal, with creators reusing the question whenever a recording starts without warning. It is now used as a shorthand reaction for being filmed, quoted in captions, remixes, and gaming videos, and its popularity comes from how instantly viewers understand the surprise without needing the original context or any extra explanation.