House conservatives on Wednesday revolted against a massive bipartisan deal to raise the debt ceiling and bust spending caps, complaining that the GOP could no longer lay claim to being the party of fiscal responsibility.

“I’m not only a ‘no.’ I’m a ‘hell no,’ ” quipped Rep. Mo Brooks Morris (Mo) Jackson BrooksOvernight Defense: Trump hosts Israel, UAE, Bahrain for historic signing l Air Force reveals it secretly built and flew new fighter jet l Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' OVERNIGHT ENERGY: House Democrats tee up vote on climate-focused energy bill next week | EPA reappoints controversial leader to air quality advisory committee | Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals,' official says MORE (R-Ala.), one of many members of the Tea Party-aligned Freedom Caucus who left a closed-door meeting of Republicans saying they would vote against the deal.

It’s a “Christmas tree on steroids,” lamented one of the Freedom Caucus leaders, Rep. Dave Brat (R-Va.).

“This spending proposal is disgusting and reckless — the biggest spending increase since 2009,” conservative Rep. Justin Amash Justin AmashOn The Trail: How Nancy Pelosi could improbably become president History is on Edward Snowden's side: Now it's time to give him a full pardon Trump says he's considering Snowden pardon MORE (R-Mich.) tweeted after the meeting. “I urge every American to speak out against this fiscal insanity.”

The debt hike, in particular, is giving conservatives “heartburn,” said Rep. Dennis Ross Dennis Alan RossRep. Ross Spano loses Florida GOP primary amid campaign finance scrutiny Israelis and Palestinians must realize that each needs to give, not just take Court opens door to annexing the West Bank — and the consequences could be disastrous MORE (R-Fla.), a member of the GOP vote-counting team.

The swift backlash from fiscal hawks means that Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) and his leadership team will need dozens of Democratic votes to help get the caps-and-funding deal through the lower chamber to avert a government shutdown set for midnight Thursday.

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At the same time, some Republicans predicted a majority of the majority would back the package.

Former Republican Study Committee (RSC) Chairman Rep. Bill Flores William (Bill) Hose FloresPatient Protection Pledge offers price transparency Texas GOP lawmaker calls for 'carbon neutral' but 'energy dominant' future OVERNIGHT ENERGY: Biden calls climate change one of America's four major crises | National parks chief says coronavirus staff shortages shouldn't prevent access | Trump hits California officials over wildfires MORE (R-Texas), who said he will probably support the package, estimated that about two-thirds of the lawmakers who spoke at the microphones during the closed-door meeting actually voiced support.

Rep. Mark Meadows Mark Randall MeadowsTrump reacts to Ginsburg's death: 'An amazing woman who led an amazing life' Trump carries on with rally, unaware of Ginsburg's death United Airlines, unions call for six-month extension of government aid MORE (R-N.C.), the current Freedom Caucus chairman, predicted that the budget deal will get support from a majority of the majority, but not enough to pass without Democratic votes.

It’s unclear how many Democrats will support the plan without concessions from Ryan, given immigration demands from House Minority Leader Nancy Pelosi Nancy PelosiPelosi: Ginsburg successor must uphold commitment to 'equality, opportunity and justice for all' Bipartisan praise pours in after Ginsburg's death Pelosi orders Capitol flags at half-staff to honor Ginsburg MORE (D-Calif.).

As Senate leaders announced their bipartisan agreement, Pelosi was on the floor threatening to oppose the emerging budget deal without a commitment to consider legislation in the House to protect young immigrants brought to the United States illegally as children, known as “Dreamers.”

But there are a lot of other items in the package that are attractive to Democrats, including money for the opioid crisis, disaster aid, more Children’s Health Insurance Program funding, community health center funding and the nondefense spending boost.

“We would need votes coming from both ways,” said Rep. Chris Collins Christopher (Chris) Carl CollinsConspicuous by their absence from the Republican Convention NY Republican Chris Jacobs wins special election to replace Chris Collins 5 things to watch in Tuesday's primaries MORE (R-N.Y.). “Pelosi I guess won’t vote for it, but … I do think we will have a number of Democrats that would break.”

It’s also possible more Republicans will back the legislation given opposition from Pelosi.

Rep. Mark Walker Bradley (Mark) Mark WalkerMike Johnson to run for vice chairman of House GOP conference The Hill's Morning Report - Sponsored by National Industries for the Blind - Woodward book revelations rock Washington The Hill's 12:30 Report — Presented by Facebook — Trump, Biden duel in final stretch | Vaccine trial on pause after recipient's 'potentially unexplained illness' | Biden visits Michigan | Trump campaign has 18 events in 11 states planned in the next week MORE (R-N.C.), current RSC chairman, acknowledged in a tweet that the deal is “a struggle for any one with fiscal concerns,” but said he was more inclined to support it “the longer Nancy Pelosi bloviates on the House Floor.”

The deal between Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE (R-Ky.) and Minority Leader Charles Schumer (D-N.Y.) calls for raising the debt ceiling through March 2019 and busting budget caps imposed by the 2011 Budget Control Act. It would boost funding for the Pentagon and domestic programs by about $300 billion over current levels over the next two fiscal years, but lawmakers said only about $100 billion of that would be offset.

The Bipartisan Budget Act also calls for an additional four years of funding for a popular children’s health program; $90 billion in additional disaster aid for hurricane-ravaged Florida, Puerto Rico and Texas; billions more to fight the opioid epidemic and funding for community health centers that serve the poor and uninsured.

The legislation would keep the government funded for another six weeks, through March 23. That should give lawmakers enough time to write an omnibus spending bill to fund the government for the rest of the fiscal year.

Many fiscal hawks who were complaining the loudest Tuesday were among those lawmakers who rode an anti-spending, anti-debt Tea Party wave to Washington during the 2010 and 2012 cycles.

Rep. Scott Perry Scott Gordon PerryOn The Trail: How Nancy Pelosi could improbably become president GOP lawmaker: Systemic racism doesn't exist and there's 'more to the story' of Floyd's death We're united in an effort to end the FDA's dog testing mandate MORE (R-Pa.) described the atmosphere inside the GOP conference room as “tense,” while Rep. Louie Gohmert Louis (Louie) Buller GohmertRep. Dan Meuser tests positive for COVID-19 Watchdog calls for probe into Gohmert 'disregarding public health guidance' on COVID-19 Massie plans to donate plasma after testing positive for COVID-19 antibodies MORE (R-Texas) said it was “kind of depressing” to think Republicans could be responsible for adding billions of dollars to the deficit when they control all the levers of power in Washington.

“It’s too much money,” Perry said.

Rep. Matt Gaetz Matthew (Matt) GaetzLara Trump campaigns with far-right activist candidate Laura Loomer in Florida House to vote on removing cannabis from list of controlled substances The Hill's 12:30 Report: Sights and sounds from GOP convention night 1 MORE (R-Fla.) quipped that fiscal hawks might now be an “endangered species.”

Meadows and Reps. Jim Jordan James (Jim) Daniel JordanHouse passes resolution condemning anti-Asian discrimination relating to coronavirus Republicans call for Judiciary hearing into unrest in cities run by Democrats Trump, GOP seek to rebut Democratic narrative on night one MORE (R-Ohio) and Warren Davidson Warren Earl DavidsonGOP-Trump fractures on masks open up House punts on FISA, votes to begin negotiations with Senate House cancels planned Thursday vote on FISA MORE (R-Ohio) were among the members who stood up during the conference meeting to vent their frustration, lawmakers in the room said.

Retiring House Financial Services Committee Chairman Jeb Hensarling Thomas (Jeb) Jeb HensarlingLawmakers battle over future of Ex-Im Bank House passes Ex-Im Bank reboot bill opposed by White House, McConnell Has Congress lost the ability or the will to pass a unanimous bipartisan small business bill? MORE (R-Texas), a close Ryan friend, also railed against lifting the debt ceiling, sources said.

Jordan, a former Freedom Caucus chairman, said earlier in the day that he was disappointed by the tentative deal and expressed surprise that Ryan — who has staked his political career on being a fiscal hawk — would go along with the proposal.

“It’s a terrible deal,” Jordan said. “I never thought Speaker Ryan would be supportive of this … I just never thought the Speaker would go here with these high numbers.”

Speaking to reporters after the meeting, Brooks slammed the deal as a “debt junkie’s dream.”

“I don’t know if we have enough votes amongst the members to stop this legislation,” the outspoken Alabama conservative said. “All I know is that unfortunately those who vote for this bill are betraying our country’s future and they are selling out our kids and our grandkids.

“I am baffled why the Republican Party has turned into such a big spending party. It is one thing to spend money; it is another thing to spend money you don’t have,” Brooks went on. “No American family can operate that way; no American business can operate that way, and it is folly to believe that the United States of America can operate that way.”

Some defense hawks were also upset over the proposal because of the inclusion of the debt ceiling.

Rep. Bradley Byrne Bradley Roberts ByrneBottom line Jerry Carl wins GOP Alabama runoff to replace Rep. Bradley Byrne Jeff Sessions loses comeback bid in Alabama runoff MORE (R-Ala.), a member of the House Armed Services Committee, said he was prepared to swallow the spending boost for domestic programs in exchange for the military bulk-up, but he was thrown off by raising the debt ceiling as part of the deal.

He declined to take a position on the package until he sees the final details, however.

Part of Ryan’s pitch to the conference, according to lawmakers who attended, was that the budget deal not only delivers a long sought-after spending boost for the military, but it also clears the way for an honest debate over immigration if lawmakers don’t have the debt ceiling, the threat of government shutdown and other unresolved issues looming over their heads.

Cristina Marcos contributed