The exact origin of this particular ticking recording is unknown, as it was uploaded by a user without source credits, though it is filed under movies. Ticking clock sounds have long been shorthand for suspense in film, television and games, signalling countdowns, deadlines and moments of dread. Short clips like this one spread through soundboard and meme communities because they are easy to loop under dialogue. It remains popular as a quick, wordless way to manufacture tension.