President Donald Trump had spent years treating the Supreme Court as one of his greatest political achievements. On Wednesday, that confidence appeared to collapse into open fury.

In a blistering Truth Social post, Trump accused the nation’s highest court of costing the United States unimaginable sums through rulings that blocked two central parts of his second-term agenda: sweeping global tariffs and an attempt to end birthright citizenship.

“Does anybody have any idea how much Money and Prestige the United States Supreme Court has cost our Nation with their negative Rulings on Birthright Citizenship and TARIFFS?” Trump wrote.

Then came the figure—presented without supporting evidence—that transformed the complaint into an extraordinary presidential accusation.

“The answer, TRILLIONS AND TRILLIONS OF DOLLARS!”

Trump’s post offered no calculation explaining how the Court’s decisions produced those alleged losses. But the anger behind it was unmistakable.

The president has repeatedly demanded broad executive authority, arguing that voters elected him to act aggressively on immigration, trade and national security. The Supreme Court’s recent decisions imposed something he has rarely tolerated: a firm constitutional boundary.

The first major defeat arrived in February.

In Learning Resources, Inc. v. Trump, the Supreme Court ruled 6–3 that the International Emergency Economic Powers Act did not authorize the president to impose the worldwide tariffs he had enacted under that law.

Trump had presented the tariffs as a powerful instrument for reshaping international trade, protecting American industry and forcing foreign governments to make concessions.

Critics warned that the policy increased costs, disrupted supply chains and gave the president authority that Congress had never granted. The Court ultimately concluded that the emergency-powers statute could not support Trump’s sweeping action.

The second blow came in June.

In Trump v. Barbara, the justices rejected his executive order seeking to end automatic citizenship for many children born on American soil.

The Court ruled 6–3 that the order could not be reconciled with the 14th Amendment, which guarantees citizenship to people born in the United States and subject to its jurisdiction.

The decision preserved the long-standing constitutional understanding of birthright citizenship regardless of a child’s parents’ immigration status.

Together, the rulings represented a powerful rebuke of Trump’s theory of presidential power.

Neither decision declared that the government could never change trade policy or immigration law. Instead, the Court determined that Trump could not accomplish those goals unilaterally through the legal mechanisms he had chosen.

Congress could potentially enact different legislation. A constitutional amendment could alter citizenship rules. But the president cannot simply replace those processes with an executive order or an expansive interpretation of emergency authority.

That distinction appears to have done little to calm Trump.

His attack on the Supreme Court also arrived at a sensitive moment in his personal legal battles.

Trump’s lawyers have asked the justices to overturn an $83.3 million defamation judgment awarded to writer E. Jean Carroll. She accused Trump of sexually assaulting her during the 1990s. Trump denies the allegation, but he lost the defamation case and a subsequent federal appeal.

The Supreme Court has not yet provided the relief he seeks in that dispute.

That unresolved appeal gives Trump’s criticism an additional layer of tension. He is publicly attacking the same institution he wants to intervene in one of his most consequential personal cases.

The justices are not supposed to respond to political pressure, presidential anger or concerns about “prestige.” Their role is to interpret the Constitution and federal law, even when their decisions frustrate the president who occupies the White House.

Trump’s language nonetheless creates an extraordinary spectacle.

Presidents have criticized Supreme Court decisions before. Franklin D. Roosevelt battled the Court over New Deal programs. Barack Obama objected publicly to the Citizens United ruling. Joe Biden condemned decisions involving abortion rights and presidential authority.

But Trump’s response was deeply personal and transactional. He did not merely argue that the justices had misinterpreted the law. He accused them of costing the nation “trillions” and diminishing America’s global status.

The attack may also serve a political purpose.

By portraying unfavorable rulings as attacks on the country rather than limitations on his own authority, Trump can redirect blame for economic or political setbacks. If tariffs fail to produce promised results, he can blame the Court for stopping them. If birthright citizenship remains intact, he can tell supporters that unelected judges obstructed his agenda.

Yet the 6–3 margins make that argument more difficult.

These were not narrow decisions decided by a single swing vote. In both cases, six justices rejected the administration’s position.

Trump can denounce the rulings, attack their consequences and demand new legal strategies. What he cannot do is order the Court to reverse itself.

That may explain the intensity of Wednesday’s eruption.

The Supreme Court possesses neither an army nor an electoral mandate. But it has something Trump cannot easily overpower: the authority to tell the president that he has exceeded his own.

And after two crushing defeats, Trump’s public rage revealed just how deeply that word—“no”—still infuriates him.