Pull up is one of the best-known warnings from an aircraft terrain awareness system, designed to alert pilots when the ground is closing too fast and an immediate climb is needed. The flat, automated voice makes it instantly recognisable to aviation fans, even without any visuals. Flight simulation creators and aviation channels have reused the callout for dramatic edits, and meme editors have borrowed it for any moment that feels like a last-second save. Its clarity and urgency keep it useful long after the cockpit context is removed.