The P-Switch first appeared in Super Mario Bros. 3 as a button that temporarily turns blocks into coins and reveals hidden doors. Pressing it became a core Mario mechanic, returning in later platformers and in Super Mario Maker levels built around timed changes. Online, the short stomp clip was separated from gameplay and reused as a reaction for instant transformations, pressed buttons and timed reveals. Its lasting appeal comes from how recognisable the action is to anyone who grew up playing Mario.