The phrase describes a public event where former President Donald Trump experienced vocal disapproval from attendees during an appearance at the University of Notre Dame. Such an occurrence signifies a moment of visible dissent and contrasting viewpoints within a public setting.
These expressions of disapproval during a public appearance are significant as they highlight the diverse range of opinions held within a community and serve as a visible manifestation of political polarization. Historically, moments like these can reflect broader societal tensions and sentiments regarding the individual or the policies they represent.