Gongs originated in East and Southeast Asia thousands of years ago and became central to temple rituals, traditional ensembles, and later Western orchestras. The struck disc sound entered film and television as shorthand for ceremony, time passing, and dramatic emphasis. Online, the short gong hit spread through soundboards and video edits because a single strike is instantly understood without context. Creators reuse it for meditation timers, announcements, and comedy, while variants like the car chime version keep the name circulating in searches.