The pull up warning comes from the ground proximity warning systems fitted to modern commercial aircraft, including the Airbus A380, where it alerts pilots to climb immediately when terrain or an obstacle is dangerously close. The same urgent callout is familiar from cockpit recordings and flight simulator content, which helped it spread beyond aviation circles. Editors now borrow it as shorthand for danger, using the instantly recognisable voice to signal a close call even in clips that have nothing to do with flying.