The rimshot is one of comedy's oldest sound cues, long used by live drummers in clubs and variety shows to punctuate a joke with a quick ba-dum-tss. As short-form video and meme editing grew, the same sting moved online as a ready-made sound effect, where creators use it to mark punchlines, roasts, and intentionally groan-worthy puns. Because the pattern is instantly recognisable even without words, it still works across languages and formats, from reaction videos and streams to classroom presentations and family slideshows.