Bismuth subsalicylate, sold generically as pink bismuth and under brand names including Pepto-Bismol, Pepti-Calm, and BisBacter, is a medication used to treat temporary discomfort of the stomach and gastrointestinal tract. From Wikipedia
GOP strategist Scott Jennings poured Pepto Bismol on CNN to illustrate party frustration over a spat that erased $34 billion from Musk’s net worth