Air fryers became a staple home appliance in the 2010s and their beeps and fan noise quickly became a familiar part of online cooking content. As short recipe videos grew on social platforms, creators began isolating that ready signal to use as a standalone cue, separate from any brand or model. The sound now appears in food reveals, kitchen comedy and everyday life clips because viewers recognise it instantly, even without seeing the appliance. Its appeal is its ordinariness, turning a routine kitchen moment into a clear punchline or transition.