Louisiana Republican Sen. John Kennedy is torching his own party’s spending agenda in an act of political sabotage that has left fellow GOP senators scrambling to contain the damage, according to a report Saturday.

The Senate veteran has declared bipartisan spending talks “dead as Jimmy Hoffa” and accused his colleagues of “playacting” through the trillion-dollar government funding process. His scorched-earth approach is infuriating Republicans and Democrats alike as they desperately try to keep basic government operations on track.

“He’s breaking it,” fumed Sen. Patty Murray (WA), the top Appropriations Democrat, when asked about Kennedy’s destructive tactics.

Kennedy’s reign of chaos includes blocking his own energy and water spending bill—which directs nearly $60 billion annually—while demanding deeper cuts that Democrats consider a betrayal of bipartisan agreements. He’s also threatened to derail Interior Department funding and forced leadership into embarrassing delays over his demand to vote against Congress’s own budget.

“What we’re seeing is different, and I don’t know why,” said Sen. Lisa Murkowski (R-AK), lamenting the loss of collegiality that once defined the appropriations process. “We don’t have that right now, which is unfortunate.”

Even Senate Majority Leader John Thune seemed baffled by Kennedy’s antics, awkwardly promising to “do what we can to get the appropriations process moving again.”

Kennedy remains unrepentant, dismissing his colleagues’ pleas for cooperation with trademark folksy contempt. When asked by Politico about bipartisan deal-making, he scoffed about the chances of success.

“Donkeys may fly someday, too,” he said.

“I love ‘We Are the World,’ it’s a beautiful song,” Kennedy added mockingly. “But it’s not reality.”