Speak like an insider! Welcome to Snopes-tionary, where we’ll define a term or piece of fact-checking lingo that we use on the Snopes team. Have a term you want us to explain? Let us know. As its name ...

The Slippery Slope Argument is an argument that concludes that if an action is taken, other negative consequences will follow. For example, “If event X were to occur, then event Y would (eventually) ...