rush/plunge headlong into something
From Longman Dictionary of Contemporary Englishrush/plunge headlong into somethingrush/plunge headlong into somethingFAST/QUICKif you rush headlong into something, you start doing it too quickly without thinking carefully → headlongExamples from the Corpusrush/plunge headlong into something• Up went a roar as he plunged headlong into the stew.• Stockbrokers should prevent their clients from plunging headlong into trouble.