Tick-tock clock sounds are a long-standing staple of film, television, and online video, used whenever a story needs to make passing time audible. The Portuguese title here, tic-tac relógio, simply means tick-tock clock, and versions of this short effect circulate widely as stock audio for edits, streams, and classroom timers. Because the rhythm is instantly recognised, creators keep returning to it for countdowns, exam scenes, and suspenseful waits, where a few seconds of ticking can carry the whole joke or moment.