The laugh comes from Inglourious Basterds, Quentin Tarantino's 2009 war film, in which Christoph Waltz plays Hans Landa, a multilingual SS colonel known as the Jew Hunter. Landa's unsettling politeness became one of the film's most quoted traits, and clips of his laughter circulated widely as reaction GIFs and short video memes. Creators still reach for it because it carries instant recognition: a single chuckle can frame a character as clever, dangerous, and uncomfortably amused, without needing dialogue or context.