The rimshot sting comes from live comedy and vaudeville, where drummers in the pit marked a comedian's punchline with two rim hits and a cymbal crash. The pattern, often written as ba dum tss or ba dum ching, became a stock cue in radio, television variety shows and cartoon comedy through the twentieth century. Online it survived as a short sample shared for reaction edits, because its meaning needs no explanation. Even listeners who never saw a live club set recognise it instantly as the sound of a joke landing or failing.