slippery slope
logical fallacy in which a party asserts that a relatively small first step leads to a chain of related events culminating in some significant effect
en-US/sˈlɪpɹi ˈsloʊp/
en-GB/slɪpəɹiː ˈsləʊp/
logical fallacy in which a party asserts that a relatively small first step leads to a chain of related events culminating in some significant effect